{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x125d314d80a00edca2b260b354dfc5dace5f5f9f29cb6f70fc603267edcebbf5",
    "signature": "0x5b328a8b06421dd884853341de7a651811725b7ac7f08279b6cc16b0b2ae189c63bbcbb17e99f7f59cb422fe13646ccadcee19e8b6ace69d6c3e394291fe7d201b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}