{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804422713",
    "entityType": "User",
    "nonce": "0x711338312f6be59a805552489292b0e3b99870eddb628bd8fc68fea6c4f0c1fb",
    "signature": "0x81822da0cd4c7140c96eb81ac0ee2457189431cb03a67d78946422814e1a58bd18f4f9ff9301cd887a601f88c425c9fba60aa6643a4b64fedf9f4690f35b9fad1c",
    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
  }
}