{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xc5a26002528c234c713ba6c772fb0666ff707ece0d4979b0ff77e6e71988c471",
    "signature": "0xe4c9a719c114d8324f01d22a58bffc506029f0d45eb8e55ca95b9570a4baf15200048ed3cc3fe4ff02feda65f1591fea9fec44c40d050cf999b0192c27c6b6731b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}