{
  "manageEntity": {
    "action": "Update",
    "entityId": "548241694",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2e7dbb5bda5e53274f255d8c5c8f5b8e527a01386115debef65a619f7d1b26da",
    "signature": "0x1fe33837642ed09e5d8b65eb0d3650796da8116e46bf4608c65a1cc4e306c51f5f658fc09d81408ed267abd913ec2e1ce8133099c5c612a3cd24092878dc1f701b",
    "signer": "0xe692298c2fe507B9242d2Ed99506e6AA8B56Aa25",
    "userId": "548241694"
  }
}