{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74305",
    "entityType": "User",
    "nonce": "0x27895d5ccb238448c2625993d99263419c3dbb527f7635151ee1b4bfcc0c4626",
    "signature": "0xf4cad44471c96ad93189fba53b1301d015d6034aa98a5729c4cfa30ffadd11746b1a749c2dc9b10cc77f90124c6dc4fa96a3f6983b4042f7b61dd6c5dbdcfa681c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}