{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2043650",
    "entityType": "User",
    "nonce": "0xc08975cfb4309ae49bbfc4fdb74b44f915336ad11ab348bece179c56ef7c31db",
    "signature": "0xdb6914fa1924c327b664705c896f11c330f1da3bf7077e3b282c1fd33d50f5c4690a069ff42a9cd90dfec1c6b44ef22325d2f5090e384b0ad8f726d31d78b53b1b",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}