{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "672274420",
    "entityType": "User",
    "nonce": "0x25d066fc7cadb801df561f0bf333c9d206ea8c76550f4f2f24fab019c5d1f325",
    "signature": "0x0b684e79c470f3b164d540737cc00400e4b343eee2f65137b6570e0d77609f7f0b9639d7de51627edc43256236f66195e452451fdba55214f34ba6c10ae3192b1c",
    "signer": "0x7c2f6C8E39514CA33Af557b55Ae76A43850B28f5",
    "userId": "317425703"
  }
}