{
  "manageEntity": {
    "action": "Update",
    "entityId": "323295897",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd43f73e5b698b2766fcc1dc41b406c36d6cfa97b67185067fd6bcdcf5289ecf3",
    "signature": "0x445abe3c3d7a51f9ee0bc3d459f1ae5bf959876a5c6cee882c5b202d61352e755e0ee1b31f03bbac960cf6c81c062df46f9da282f4bd937dff5bf8522a29cf721b",
    "signer": "0x0B8abd82fE2af1Da3824433d0810Bea9F1E152eb",
    "userId": "323295897"
  }
}