{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "797660356",
    "entityType": "User",
    "nonce": "0x50f47adc5629665679ca31f8433100199ca409dd98e0fecf2e5de4bfa21e0c0f",
    "signature": "0xc49b3b380cf68f5f3952148f62936f4a836c7a52d41ea181a3f30470d8375d112b61c84102b600e51a411528f417af9892ffebc35983567e5112e0760c5099b31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}