{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129395",
    "entityType": "User",
    "nonce": "0x534dfc4ec6a0667843a8953cdeac50b7abf70cf5a4610dad6ca3412f5f5a84d8",
    "signature": "0x2d8a90d2ac6d40ea26f9b97ca035f8d4958992aa77cda06bc973c3f415ea8d3f0acb5caae12a3b72c738b161fabfc4a9113c404b7e4570fc9916ac218a4d6a9e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}