{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98311147",
    "entityType": "User",
    "nonce": "0x544966a81b6a844231d5588aa3950af7840ff38365b1993bc5a47c473c49902f",
    "signature": "0x321e9f3937376380474c1936aa928379df92cf32865a65e9cb12a18f0fe10ca90b2647660dc10b7413d53474cbf201ace35f851aab9640a9f2a11cd5903f87b11c",
    "signer": "0x87FC3581f96D45b347BB39E15f25079950C5Cc27",
    "userId": "339826419"
  }
}