{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117522",
    "entityType": "User",
    "nonce": "0xc461316d1fa10a48ce21492305f8a16f07041f39313f5cf8712ffaa19987e061",
    "signature": "0xf15a94d7e3137b09fe261a5901e77d27ad0fdf53bf4a7bb5bcab94376889f3c018d51dbaa773196681a52fa436492ad5096aa9344469a0cc445e1745216e1a941b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}