{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166187",
    "entityType": "User",
    "nonce": "0x5ab414351bdb52c7862421fdb71711de75428ce8ff453a55352eb97856e664be",
    "signature": "0x0c47b9f6e7d27b43117146c133c1e2fbf6e35916ebad2e100e51c5d80ad649052b62acfd3142d2e70c797a46539693382dec054607d97697591c598916ddba651c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}