{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43323",
    "entityType": "User",
    "nonce": "0xe2f169b2a04b0268a93af260131ee3660e3b18652d6ecd57b1d06fdcf938b939",
    "signature": "0x0efb190eefcdd474124411238cdfce6cbe116135e5d8b0898ca754bf8d12101514c2a5a46c0118dece86dd68201704f5ccf8581d5e5b8105fe868f70a922bda61b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}