{
  "manageEntity": {
    "action": "Update",
    "entityId": "682490859",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraelgff44fgoovube4aqzrma4y5lcw2v5ob74g7pwyazo4pvdvupeq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1425382915},{\"type\":\"playlist\",\"playlist_id\":1435530256}]}}}",
    "nonce": "0x453e96473f482a03c4f061d9876962b3e59ae0f3c0614081b13ac2e1e8a77daf",
    "signature": "0x829a396706cfae1fb6004ea93e4b4113ebd5a56e05d1eb9f2eeb285b6cd8ebc640c40a76cc676436977099cc492c5e8f4f24fb63816167b9e8c822cb8c2d60d11b",
    "signer": "0x2917afb7Ded79c273C7Ce2092bA0Ff0673AFd0F0",
    "userId": "682490859"
  }
}