{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58531",
    "entityType": "User",
    "nonce": "0xf72edb68e5167b4b41aa28ebb975558671dcfe439d484cff5c8bca3b501ec347",
    "signature": "0xa6053ee2b8dd80d2eb214c9dd63ea3d939c102c6a547d835ed5cf35aa9ca3f276e14b941c5288c00aef9e8eb5656dc7c6b9aadd705d2938db196b953865cfd681b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}