{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49552",
    "entityType": "User",
    "nonce": "0x0a59e8b143f6d959ce298b8c10ebb57be237d604eedeea03bd8a9a8d360da192",
    "signature": "0xdb324cd4144d05b0b7325cf61efa5ae438dfc87dd3c79146489549386f04181e1eea07d6026d42281fe1494ede673b5617bba91e6f22bca420145ad0bb8bde931b",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}