{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353834",
    "entityType": "User",
    "nonce": "0x4856a2e5c466896d2750ff2989229fe5839c6f2ce2812d59bde0fbc456777e5e",
    "signature": "0x62cf1e9ad4a4cab0dd94c393a9bca60b77651b8531beed6006d083114c6416ec2211d801b939a97d7c58dde3315175abdaf1d05c7f627a907df5986b23ecbd261c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}