{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2ed9e888bbaf596908a743bd4951962bbc793dfbebaf2fff0e564c1c175de175",
    "signature": "0xaf888d4d5723c1c9231906cdb18e3015b63bb9a2883466811d315da977908a00206b66696b518e6c40c111a0b6f685a40413e57932c7c305299c3abb3b61612c1b",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}