{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "362537",
    "entityType": "User",
    "nonce": "0xf5a605bfa3f70727fb643faa849765ee6dd500c4c798789a9593d6c7fea01484",
    "signature": "0xa9db309d66156d8e8c21ad9ce42886883342e90008a561d24e52496d5bf3ff424eb776be584163e01a85a5e0e02a141fbbf3e931247ca1a4bc62e262664cad061c",
    "signer": "0xd648B38B61b65e4F8df57D4EE65560D8DaacFDb2",
    "userId": "277314120"
  }
}