{
  "manageEntity": {
    "action": "Update",
    "entityId": "794995504",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierab7kxeo5u74uxt564566m5h2bypvxjxmwnm52d6rzdwlplb4xhldq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":308322587},{\"type\":\"playlist\",\"playlist_id\":1624064919}]}}}",
    "nonce": "0x65813cc042036153107c5d14903e16d00865e0deb77f7a0aa587c91f52b5e41b",
    "signature": "0xdc38f3ecf2c66b8769fbbfa492c667fb3bd743bd93b9485ab82f62b5a8657669267eb402fe25d7c2342e53243be096b5d40b3459a397af053a54d3a57a4423f81b",
    "signer": "0x86639c74AAE287A0Af407ED9C633ba9D83645A84",
    "userId": "794995504"
  }
}