{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "699323433",
    "entityType": "User",
    "nonce": "0x2ebd699c120664c9e060bf01382c06ca0239da917f2e92066caeabf2affa6589",
    "signature": "0x022fcf9e577651598b5915e5aaa45af6fd36977a35b9be2e9e58d2824fd2b34324eb59195e137299c38c3bd3fa113bd30113bd6dfe2ee06a2a46a906a52c36fa1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}