{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x849bded7e6c026800e9db279cc0bf6a3e84e5a49cd58e7a94abf429c7e0df6f3",
    "signature": "0x3b0561c9cba0b2ffe5f8d2349723212be9e18a4d59c8bfc4d8ebc94d64f6090e1c3cc82fb9201e7b6a66a464488b2eed090cbb4538123784b8d228e3699f2a591b",
    "signer": "0xce1fB8A1818a6b21B6d7a5d092bF71093065AAcA",
    "userId": "496820532"
  }
}