{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1596991",
    "entityType": "User",
    "nonce": "0x105857eebea4034458b013549a0d81c5f0956014682344ab400e1346b4319c11",
    "signature": "0xea544917389fa00b48102aff8b31d5d92ec41ce906ccfc67525f80cd0d3ce35d0c86cf8fa81072250e2f82a1a745499d9d569d63f4ec363db575f6f72d311a241c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}