{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59485339",
    "entityType": "User",
    "nonce": "0xd0e93384759974f6798c69a4ae98fc937d419c8257f8685c3a1a44592684037b",
    "signature": "0x80c4fce45838580819e8032ebce698bd78ad5a70e5b8b740f2b3cc462bf8f9022a3a89a38ad6674d253621424976a6202b0806d4b5197c1788096fbbc5fcbabe1c",
    "signer": "0x4D5454A391B2B967F678c28d6f8af657556ACbE0",
    "userId": "629707907"
  }
}