{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "250734",
    "entityType": "User",
    "nonce": "0x84f157e05d8ac24cd95245b4fe01d0d8e44e8e8d5ab48f73b5e1e673981865cf",
    "signature": "0x6b312c854b96fcc9de29684f2679db6b8d433f22c4457283c3491df61d56470613907ecfb8b557cc694737d38997b509deab1a3683a1274844d5d10f8b2bf7a21b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}