{
  "manageEntity": {
    "action": "Update",
    "entityId": "240618925",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x34e3ee762c83f112cf43425df6b247019f999b795eca223411a83408d1c7bbb1",
    "signature": "0x3ba38a8cac340d4d063803f6829285f052ba20b090f0f3a24eeeb0a96b493c463ece5a0bbbb3f03ea87686de5185e7e873969f4fb12131bff45d4a00be5bcfea1b",
    "signer": "0xbd23Ccab9d3e357ae3438feFebD157C78A5879aA",
    "userId": "240618925"
  }
}