{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44546",
    "entityType": "User",
    "nonce": "0xca41520a68717e520a7e247634e40e9ab15c538ff2470703815d97aedcdf15af",
    "signature": "0x687585b6ab9330d52b68e63f0fbf933ffcd3ff8c2ec7d3827379e0c0856a9b873567889a1b61d5a7d7b421ff9a6d1b015ffff77ad0ed37e00cacb7530c98dccc1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}