{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348927202",
    "entityType": "User",
    "nonce": "0xa534477a49242dc53c7bbfb5deebd42db4b5f94c187a046f0f7b73ddd8630560",
    "signature": "0x818ae492560358c96361c96b74844c5aa61919686b54453e5d77aa22cedc1a0a636d99bd3af6ff97bb50da1f3b51f2887e02888a4642eef45e57bfe578f230f11c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}