{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xefabfd3b14e2f78f8f0d55e7de000bd512b88b9b63fd95680fa9526d790ee243",
    "signature": "0x676db0d8a59f69f4e4c8e7cc8977706ff96d055fb2c6ce4010ebd1582d5480e80c41b7e4d851e85dc798851dc74517c04db4197673e29da9dd067cd5156da73e1c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}