{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1994482",
    "entityType": "User",
    "nonce": "0x8b378f3283fc579eb791320dfcc4daf13746d9d9255d23c2c90e6b0787945ad5",
    "signature": "0x982e6a448f06dc970ca27735ba73039d9437da1ec35b039f650d4830680047253e30a977695d4612287f2422a9afec2f65d0cf01bad13d935c11737e32c78d031c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}