{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x1218e8fe0e5de7206e2a4e597ef6660138d32582bf330e7d7518df00d8f3d453",
    "signature": "0x3905b2fac5eef746f24af33b8ba56a77c296b615d4ce57bc9f431fdcca44d825623614a729fce6d3a1b47569d7c54a014106be43ec5bc9eefa2499194b82a9471b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}