{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232877",
    "entityType": "User",
    "nonce": "0xa1b3d1a2504413221ef4dcf0d2a336b6ca83da55baec889e2893617bddcc5d54",
    "signature": "0x025f59005fa9ec9928605299344df7207e98300287dfe373ab2bb3bfa9c25873347438a644880792f7dba2bfa85fcb6e869ea0665d2f99fc8df2c30d77bfb2ff1b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}