{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0xb1c9de76bc5e414a4cf59b627fed36b11b5b681b8b258e098201ae241d2fc1d3",
    "signature": "0x45248ef76696cec065bbf29d9bea6824511e8592b00e82b96f8aa2c490fc0f7464de278d0d8e9dbead1f267b550e9db350d9a14ccb4b7fda0be717388d62ff6f1c",
    "signer": "0x8FfE4D68AfdF34240202742331b49cb462b7e26C",
    "userId": "660197861"
  }
}