{
  "manageEntity": {
    "action": "Update",
    "entityId": "87961106",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraiamzzwdz7fxuchf5ntmrmkjncqgruw3qpgbcaho43lwbcjnqrlpa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2118320187},{\"type\":\"playlist\",\"playlist_id\":334680225}]}}}",
    "nonce": "0xa2de8f7165a2a63e23f38d0c4fbafbbb6acda14588f5a1d8e06e57f971f4483c",
    "signature": "0xef8159c9ce10264131dfcf0729cee7dc133430f64b033b0db4c2f0a8ed87eae027cbf1a3ddd1d269edf2d3b070b9669e71aa9dfabdadcb7275f9cf143deaab371b",
    "signer": "0x46e7101c875D60D850099f5251d848716a5CfB80",
    "userId": "87961106"
  }
}