{
  "manageEntity": {
    "action": "Update",
    "entityId": "439116984",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7dc06b21daffdd1b67a024df74c63ea74085c670c0180d4b2f34deaf950b0ca7",
    "signature": "0xde607c9f0f400c61fdbd89a669e03f167a4b9b7df6b6cdb0fdc9e88680bd8a5f0e52bb93659aea02b84970d1231eb0840e32bd9f102b17c3324388a904bb356f1c",
    "signer": "0x713F2e5B0EB36E8f4406d30664f8b9fA676795d1",
    "userId": "439116984"
  }
}