{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925608483",
    "entityType": "User",
    "nonce": "0x1f1f36c0d1cbc4d7c84aed88cc4be1d99ea041fd4186b2977e8f9ac9540c2843",
    "signature": "0x74c9705bc8ce2452e580736e662dbb48b26f344aae2bf0760d4c4fc2fb5c174e0466bb77d436895761561603dd74e21f65c4736898da656d194b8bc757e74da81c",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}