{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16689322",
    "entityType": "User",
    "nonce": "0xae012dcfbb0b2cc6d78091d9a016f7192309265179524368ed13f4d9cd0e1cdb",
    "signature": "0x3f351e5420ded5809b95fc5592163500fa883100a20e192b1a8becf2199597982c7b916158bdbd270840284024b3e3099da702842fcba478b00b6d4058cf0b311c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}