{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "422886157",
    "entityType": "User",
    "nonce": "0xc8bab1ea893c534d169a6190806127cac5c6899367cca057961e710258c41ca0",
    "signature": "0xa96e5a67706d921431327b058065f6583c8ce9e878b2f6003a41cb142e0931021816771702d6ae5c675aa3a54814581ed4928d1f48f72cf07f78f0a51a62a3031c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}