{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10351",
    "entityType": "User",
    "nonce": "0x83901afacff4a17cbff8600500385af6ceacf51b16c5a1a9ab91726ebe42b032",
    "signature": "0x94d696637c7d9217159cef41979632dba9090bf3255f5d7fbf013cdf12258ff66d145611d874031f5d1dd8da4af43014997856621a130cbaa39f61ce24ee26521b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}