{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2801",
    "entityType": "User",
    "nonce": "0x3c73bf4d59a29a2d6ee587ac08cfb62822f3b2dcfa0154b07226bad84df68554",
    "signature": "0xc8d7b68b793849111114b6906d432d26239a990fe7863ff2df698883a72fae1c04e1831eb371c9f1515b25f2527afc7bf90885c781746e1a6ff5c20290b5cd671c",
    "signer": "0x227c6D4cdFc19155a5212Bc082E6079835436E1e",
    "userId": "94961"
  }
}