{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5014",
    "entityType": "User",
    "nonce": "0xa65adfe120f7c58747fc7f1eb6f20e07bd2e1bf46679946f77eba8d0cde3b36c",
    "signature": "0x7804fbda66264e04e6e88dd504d175e2dc42eb6fc8093924b7dba5b7a80d1fb177c77037cdbded6859e0e5567236e7a9ec77ec9e7def6650746328b1885bc8141c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}