{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65930",
    "entityType": "User",
    "nonce": "0xf3cceabba7dacb353f98d2dc099af5026c87fc21cd95681fc959265ebcd8164b",
    "signature": "0xde9e7e1bbfbd55b017ca2359c09be2ccf4db333e5b3d601bc37632f961ef15f26b2f9f141ab1bac502b31a8f8ae3091bb7be4b003782f1f23dbbf1ac0fc74fe21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}