{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7504",
    "entityType": "User",
    "nonce": "0x6134c92fc6f49f0bdd472a15acd6f5b1a8d2125062e483c6d5035041fb4f529b",
    "signature": "0x56870bafbb54dcecaf62a43ef545cf35f474052376b2e53577b42adeaed3915b48817958f78e79993c8f36efcd17a35163fbbe06605bda4e6e8de543575420751b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}