{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149566028",
    "entityType": "User",
    "nonce": "0xd00537b4742b153ed557683ce6536ab32d2660f273cab2e3e17d0b469a4aa064",
    "signature": "0x46070dc22957bfd2df8a6e364ba1aed385bc865a3d302019585703d44cef57354391652abb11c019cfd9f10abeec9346f06136d0654d471ec37f13986ce3652b1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}