{
  "manageEntity": {
    "action": "Update",
    "entityId": "860938615",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x12be955728ac34a75a8af66b6c7e66e78dd35b0468b9d66b3e15fcb2637d7542",
    "signature": "0x79126965f455bd67d98b9aace720dd875203e3f78a0a11917bf9b3ee1e5a4b147bc0474d82bde913e850fc82f714833442f969e9c13ebfe003f89b62384040131c",
    "signer": "0x01628CB35785eC9b6228052B63148A572Bd4Ef85",
    "userId": "860938615"
  }
}