{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418585758",
    "entityType": "User",
    "nonce": "0xaf882db6ce3b98d4d2a9870af388fd99ea232c12ded31a4bf061ef7d132e443b",
    "signature": "0xae35aac7ccb9ec0cecfbcd9561c18fa1ce78e25c91146eba207ee9d0e41f3fb84bc1e117bafd83cd8084626834849eabd73f4c140e754541f9e80f5dcf06d2d61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}