{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2195",
    "entityType": "User",
    "nonce": "0xbd050b977a3a19619a3a0447f0c414ecae2bd44d7c0e14a5b633aee38cba7f4c",
    "signature": "0x3870cf6e0dd1044d02b49216e92a3a16f0ea9f0f97024ccabb1f7411ea06eec073e84840847b13b4a215a08ace5526f2abf2c6e1608ec1ed63b199eaa380fdd11c",
    "signer": "0x704653bB668e896c8DDd4eC5c2D37760788E2c1D",
    "userId": "602084182"
  }
}