{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0x5101f0d72cbe9b458bf6f209e5742cf5a560ed5c0d7690c022d3fade1f2405b5",
    "signature": "0xaa240c8e1fd7a35428542e9e0daaf76adb2eec5c371cd6d90b8b712076216ae7363fdf5a019a7d22b547920c29e902827eaadb1a87bf869b1bbec22848d77c111c",
    "signer": "0x5d2d8A87AB5CB4cD8D512501E4A53cE157a9049B",
    "userId": "936628708"
  }
}