{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xaae49e807b363280db6ec16443d6809f732856e03d7d870ff7d0e555cf0a536a",
    "signature": "0xf3e207eb6fc03133d9939bf5f01513ce3ddf2545419714255c23177cb8ce85355be9fba13c68367dbf749babc93d0745dbb1405cac0d53a099fcc671f9feabe91b",
    "signer": "0x8C7bee798c0AB93Df67Cd00879d67b02274644CF",
    "userId": "855403"
  }
}