{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8330528792b82386c6ab8f6e7dcb8a04bb88bb607a48064d9d9b4b02f0b600e3",
    "signature": "0x6336422319511d06654c346da8770ada6d4dbf10a4978d1e6c82631e039783fb6f6069c934444019d4b72ddd9e9dd6d597923c986996d7a918e0aa11c4ab68591b",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}