{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53273933",
    "entityType": "User",
    "nonce": "0x1d20c9d3507be97d70b7ac1f078f05d8d985031680c1e7c0d3d63e87fa79fda9",
    "signature": "0x47d38f0d5575b04c440d944148486deb9167f17392c85fd303f98860bdb3bcc24bb1d1e33722a6792968d9b7cc8f9646950d45a22989c287f4189e1cd293d1601b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}