{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "845727327",
    "entityType": "User",
    "nonce": "0x0bfbc494490edf9b155589989b3f27a16abb54f64cd1f1cf433d4e0c9660d370",
    "signature": "0xe02c7a15e6ed0eb220bb5a8ee5192ef24d84dc7c4e0dcd3785fc3dfc556a647566c4a88a0f953f801a7f6b6cbfd6c858512e35118d87005edfd0810e63f5c8741c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}