{
  "manageEntity": {
    "action": "Update",
    "entityId": "243927361",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd0269c4faf768428c76c788c48d165231239b5c70414eaee9926cefce7bfb9c2",
    "signature": "0xb0dac5180f0f7d25afbb996d96c659fc0385ea37427a903984553c733ac4a6646bb5d490debca77ca469c034bc387384031fa86e14c96e50251f3142e35a34ae1b",
    "signer": "0x8C7Df56F0ee66D94008122eBC90aa6FF2F54242c",
    "userId": "243927361"
  }
}