{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x649a1a83387a75f49a9813469e749cba04b00d685bb30e792a9bc3ead3e4b837",
    "signature": "0xdee2da14e2188d4dcbeb5729ae7c3e325ff4155298f92a84687a364f1e094c0e62285d769de5caa6566f3d0750853ab7850e9d0a3f63809f4131a27d6dc3e1451c",
    "signer": "0x17141572B0250E4291cd034d4C034793AdD4876c",
    "userId": "777872195"
  }
}