{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110428010",
    "entityType": "User",
    "nonce": "0xff49df13fe6b91dfdb55270af797a4de960447342aaafce33af6bd0bd4926fee",
    "signature": "0x0a2d09685f9eee70e3bac8f08845beafff67eda7470f72e40078f6a1bd19aefc435321cb1fbc235c00d27739bb0127f0ca1b5db411d6a89594670bc58b812d3b1c",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}