{
  "manageEntity": {
    "action": "Update",
    "entityId": "425407904",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralxxkwdvsvesidvw4tn42jjsk4oyol5osk2t3huunfbbw5pvambcq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1453584539},{\"type\":\"playlist\",\"playlist_id\":148991981}]}}}",
    "nonce": "0x01eb0152bf1a1f311ee3005e613ccf56a65b5bd791f60a38bd99ba5ed39822ad",
    "signature": "0x030a98415ba285471d17ab01714b6a253c2183c2debb42de9a4cf3bcfa9cd9d911aa8bd42dde1afd41f2f85ffe42e74c80108233f211a9eac6e259a460abfddc1c",
    "signer": "0x5A844c4357CB1A8239DD72D5162046f958b59DA9",
    "userId": "425407904"
  }
}