{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871929900",
    "entityType": "User",
    "nonce": "0x080ec02033e037d94cff87c4ff45addc64eecfff15fdc08f7e90c70de23321c1",
    "signature": "0xc5471dc77f766d9b24b6b697ffd710dd487c5cda925804d59648f3596ac773e2791743882478f96d21831b34a52251a62e355b5e97dec273bfbb60a84f3f16b91c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}