{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0xd2ce818f09c7c02cb74bdffecda66505c367a4126c618ee7ad24ef82e4568d7b",
    "signature": "0x0aeecbf8313a319a32f81aa57ae89b13f04d5e29f0128a89841f88606e8faeea668ec5b7d49127297e02e408cd7a126d43b547431dbaefbe5f9accccb56c075b1c",
    "signer": "0x3fb1bfc1A904DCb211FDe58A7203F73e6a4D6668",
    "userId": "379730232"
  }
}