{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137294",
    "entityType": "User",
    "nonce": "0x6cade5995f8af094d277d5c3d6875b829564ebee30cacf1df07845bd4efd5053",
    "signature": "0xa4733b9ffa05a2b5f16d13860fa0f46d088d387b9f3590f8fbaee879a4b330c30378a46421ed6711e75f418682ea06533cc912a141ec7c70fd662809a230f7b41c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}