{
  "manageEntity": {
    "action": "Update",
    "entityId": "924243662",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x26cda7a8a104421b5579e365c91b8551f926286a9f0663ec2c2c0294ab5899e5",
    "signature": "0xa8aa598d0455cbaf98153218ff8b7e7a65f4fc3f37ef037a814d20cccf68b4e0092debcc4c6dd611abb5309c62c32402e8030035c3595d5b803d39bd1890ea1b1c",
    "signer": "0x0F7fd9c30ABe9ca5535EBc11DbDe0ec380e78d82",
    "userId": "924243662"
  }
}