{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0xc2d1881533d99012622740898a50cecffa06faf92c9be2f10bf8d9a342ad847e",
    "signature": "0xc9cb5898d4151109221d9ee1d2e516541f9be84359f54070637db9dbe3686fb83f01811b002bab846fc50552df54462171f931b94b2612166ccf04de2aa4d8761c",
    "signer": "0x92632D7BE74bA47022399097665C226D2833ab2C",
    "userId": "327722"
  }
}