{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301637",
    "entityType": "User",
    "nonce": "0xe57aaf9ec24577f25dea1e011082d2b67c798ad560d1a9f3fe66c9b9c689d310",
    "signature": "0x09ce641c9523a188bee039f65b59fc945fd47743229f67cd983e13fed64b8512384c63af255257bec18a5bc3865c4570e590ef33d1a58cc8cd2b88944565bf491b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}