{
  "manageEntity": {
    "action": "Update",
    "entityId": "361508277",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa9c376e40e93c1c68fb04fabd1d3ef7e7869cfc1cdb2c574e564517f5afb2f68",
    "signature": "0x09f4a15170902b714386d235e8c81cbb6e52719e4951cf08fed5e969d76b89e549af633b76a935c2c06396aedba265c1f0b0d778115310e75e78e09b70ac94fd1b",
    "signer": "0x31bD11C427B52Db08B5145212FD90Ac4d00A1F8f",
    "userId": "361508277"
  }
}