{
  "manageEntity": {
    "action": "Update",
    "entityId": "828486941",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xebd7d291128194550242eea907d9478e2c1ed1ed842fce67ce20e0cc3cb0a58b",
    "signature": "0xaeb142ab44ab1efc157aa89cf14e6ae0bff568289708125f58804dd16804da1e77d4135c761551b8e37cd54d2f65f26bda6695854de5f1729709ce95c9951b2f1c",
    "signer": "0xb05403b69197f2B71321Dc5EDdF4daE55B90FD22",
    "userId": "828486941"
  }
}