{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "655709244",
    "entityType": "User",
    "nonce": "0xa41e9930dae979f277f1f105f5ea02df7727b0d7098ace9254a4da1e04a83942",
    "signature": "0xdcf152baa5f01f77f47a86c44ce212c6c6633fc7bb1810bec9854e29561e02517e411f3be79f5f82914828b5c351c51b43507fe3630398be3b3ee1b1e27ce35d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}