{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "558209869",
    "entityType": "User",
    "nonce": "0x6b269eefe66897be2ddcf7a9b1e998a4753a4668192adf4d9ae3a9fb67dbdca8",
    "signature": "0x576606b9d1255dafc3f921df73074b85333d95afed6c5a3c464fdfc0942b18f53c2495861e50376fe08f006acdb67d20a710b52c517c0935663af68472cc3b4b1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}