{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979647385",
    "entityType": "User",
    "nonce": "0xfbd6a2c1d7e812c9e7882a2bdf8c06602d91ea6ed65b84da795db419c379a5bd",
    "signature": "0x982554c17967ca05cf0a22ab81bad5498e9063fc42f5c01ed07c9c53c0c9894a745f2a16cafa8b47ffbb08f50928eb847c27abd66445fa6156c1e7600232e9e91b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}