{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146164104",
    "entityType": "User",
    "nonce": "0x6a77b1720df08acce7d652d5aa9749d595d2b310db85b3a8acf01abbc3998987",
    "signature": "0x49aa4f9d58786cf5aac2db90e6d95a813bacb845f9ca8b914eec9eacda46e2d05cd9d06d81ac41bb793b24e8b26cefdbb86a7377f3a2dd150e6decccaa8f0c031c",
    "signer": "0x24dfEaE9fa303251e55E12337F91cD0ce25cb3E7",
    "userId": "850130763"
  }
}