{
  "manageEntity": {
    "action": "Update",
    "entityId": "415404216",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xeb7bab790f77d50a4179b8df4cf0745f56f8a8fae2fdafa5adf7a61813bf8b5e",
    "signature": "0x2c626e1dad399a76aaf8216ed5dfbe02f6041941dc8dc6408ade77c08148a6d14ef40a2b1a02d3ec6b6fae8f8caf64c1f033dc06f48299e90a1b146ba8ac0d701c",
    "signer": "0xE8138E527B59Ab8BfE8a7FA47FF916b52B4dE327",
    "userId": "415404216"
  }
}