{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2052560",
    "entityType": "User",
    "nonce": "0xd402c65ab707bf6e7a8f378116ec0f24e8263b5f85e6d632045096c7044aa081",
    "signature": "0x8206a4f7a512f21fbbb54fc3e78b92efcde3db5b9a89c04ae1838f5ac558ad95260d36fc07fb29ef42a6c5038bb358f93b473e43da38136069b79d34a343afe41b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}