{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29243",
    "entityType": "User",
    "nonce": "0x49e6e739267c2191d07d29a7a9551469ec8cd2926ccd4abb575d29cdb185d713",
    "signature": "0x732dd31bc568be835b8a0ebbc248a096abb3ecb18f84e56980b122a9ce45866a475a302564aed9215bb1ddb611baec1ba4943c5d5906d415b8431de231e831f71c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}