{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2112641074",
    "entityType": "Event",
    "nonce": "0x2c822584841884055038a242a72b76aa0034b233c8ea0471dbe0448469e0d665",
    "signature": "0x75a97ceaa314db0f712019dd23666b4a7a6e0a5cb58576d45f9fc3aa3f95efee3c3b7101a152a3fcdd32753b8acc0726d12d710780e58588311914d2ebe297cd1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}