{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360335",
    "entityType": "User",
    "nonce": "0x3b87fdf23d1703c62423044f47c0ac8750016b8d47a51a7dedb92ae8b3d6aaaf",
    "signature": "0x67a1b45d2557854c37d2c83dbfb0ac4a75ccc0e9daaa4e93db4eb2062a4fa9c54676c1ef8bc5d45ed910871dc334e5b24026069d7fe109fb4904b5f6688d4fa91c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}