{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0xb54a0e4088c85702361c97340e7e88a9184dcbb7f1528119c13762b79ae935cd",
    "signature": "0xc478f7a411ea820177a7be087608bc6bb08234bdd3ecc2f9c4cc1fd97fbff5304eb354ada14861eb50aafac5d3f54f6451200c44430ec29bd50883ce3a4039b51b",
    "signer": "0x2345619749bc1E5319ee0D0d45C295fC9cEEcC7B",
    "userId": "212036"
  }
}