{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58973",
    "entityType": "User",
    "nonce": "0xcc1d34a90563c28362a7112986ad3592364ede4f60ac2af7a5cc7178f6c9f472",
    "signature": "0x97a943e33e401ede7db88674de07513e3fc76ab082a32f8315cb51a97abab4063a4a2510a1fcc00b6d9a2adc72c13f93be4caed0c7b00e0fd005b9274c4295181b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}