{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x0fe8d69567d235017c993386b2755c4b78f402dbd39b1b737b78f36f1db852ac",
    "signature": "0xcbcd5ad653f1c6034a88fdea3092c18544fb52d8d0eafbd9ffdb5d671d2ba91c4dac367f130a23ccf1947ace6271488dc7f71c3d0bf0ba5e8d778f3e4a2ee5711c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}