{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147204",
    "entityType": "User",
    "nonce": "0xdd687563913d3237eb7a70f142a237fe549fd3f6f117f77a9fe0f6f10588ad2e",
    "signature": "0x6b8012c0de0a96d3d72722b6178095043fa2fec5c7d5c001e4deca6c2ace75037f2e81a8a93056eff3efde5cb9b1ad494271687eeef4847d1fce14c61e6200e71c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}