{
  "manageEntity": {
    "action": "Update",
    "entityId": "117509073",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2c82db1ea64475d425f65191d37f0921f35d30100a7a557ff3e61b72ea3027b5",
    "signature": "0x64fd05f32478ddd77e96a28c67c880fa93b3c1943457663ff23c3c9964165f1f6e4c7ee5d0b19752d707a259536578280b533e732617a601b1191e99275b1dfb1b",
    "signer": "0x3b1b23ccc8029Fe56adD1733Ba53604d382eBfB3",
    "userId": "117509073"
  }
}