{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x8385be81bc7c12b3f91cf864873a2a489d60eb0afdebd755b5d6325c1d3e4f8e",
    "signature": "0xb7879f9da3ce09f7e1b1d6aced41041ef40482a62cec85bbba2259ab11e7c2ad2d4885150a0c49acec1c72f3f2949bc49eb1d18ffb07ed7e9a16747d4fa54bc61b",
    "signer": "0xdb5Cb435b7cb6239B66F90AE3D80297c020464d9",
    "userId": "829458818"
  }
}