{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x4b8d67f20e416df9cb3cb35e3bb264303a12a5d214ef1185494ab228c3c59125",
    "signature": "0x4f1c754fa6035e7cc1a3e0b5ec4c1630abaa972f38ee6800bcdf38318b2b0c9512730e9d6c2d701181231d0e2c34bc4b5e70e430526f2f8dc6b6822f788b776b1c",
    "signer": "0x3e4953461b6671604B2E8fcD0BdB628DF4C16609",
    "userId": "167051786"
  }
}