{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xe1e25d11ed3589e700b13aeacedc4f04512dc4d23a83d9555de2430cf086dc00",
    "signature": "0x39a4d40227ea68e713a04bc0f6400bd955a8086fdc5b508c69d2afb43e15e2566cb03d1fabe55d2276ada8a1481057595aa267ccdc46a91ad5f43667d10db94a1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}