{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5c72d1ef9f88151b23261e8f149732071d804e8a9d05e61430d95374335fa50f",
    "signature": "0x8b10f6bbfd89e8a9c33090e8264a93e7a0f74803cd6a4683497bdf14d9ea6acc0e731d0dc4259b1a9651ea2c3526e334a138377eecb81c6e863a281dd06291041b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}