{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0x8b130d51a2f865a086fa442e78c67a95a5f0bf88f29968811d77f900913c0f86",
    "signature": "0x281c34746efaf5c0d401794ac6e5d204780e772de26b244b48cee93af4d22dee78b8feaf41d84e2b24b9deabc134a6a42dd1aa74e62f7bd971a58ea79b0d478f1b",
    "signer": "0x50AdB3A151DC7570deBEf9Ddca6cc316E02563f3",
    "userId": "980855964"
  }
}