{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2617",
    "entityType": "User",
    "nonce": "0x43fd335d0cd8bfdab9e2106e6e61d45681cc7b51ca9f5258c5cdc5de15e66605",
    "signature": "0xdb4647ea649fa1ccca76d464967957fdc1726ce0acc4b0bf3b989523534390537484611d787bf98dda9c172eca08028402af63b0061b77ac070c3abbaa2f43f71c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}