{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73670",
    "entityType": "User",
    "nonce": "0x676f7d4befb6ce14c8717550ee606e2f1c3d20c89d10868328eeb951205de5cb",
    "signature": "0xd4b9b4c8f70006b628591b9eb7b80cd22da10a16688f7ccfdad0c25088f3a1fd6208dcac1f0ee64aa83fa1e7d90a0106dede70597e59c4c13a086e8e2b4f43871c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}