{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0xaaa9a1f6c732784d1487048e123f3675e36e7c103ed3d43e5d663edb7649f673",
    "signature": "0x17f1ce104f3929c6b64bcc636bf37ae45ae205b9b022785334f6b2c3a7a1fd8d55e7e46823af49446742a69c58e40d627918b8cc2246abfcc28f0001d39a62621c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}