{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0xefae0baee3b119bb4528459d56803e6fa9469f27eb7fa4a44a3602e5fd89088f",
    "signature": "0x2c16d2c9f3c0a802ba60d4cc83041f726c0b2f0494c5e5c4f21aa9a3ab51402771f79214a62bf9e950167f6d49415361982819418681eb62ab476901f3b85ef21b",
    "signer": "0xeB77b6E9cC52B8892717c003d884EBe11D8fBab2",
    "userId": "946443800"
  }
}