{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "720428",
    "entityType": "User",
    "nonce": "0x2c981db6afa85418bfa877bd979c16aeec7667749d26f36fa986d7439c0bec69",
    "signature": "0x55baf52a414f137b016d848fcf08851c95a6b9dc421da65f14936a208560940b1e7135624e664437cfd4f92f6584956cbab0e17d7b4194d8b4c14702122db9fe1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}