{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xd19cb090dfcfec1b6daf72b294b598968c214eb2eb5beb6f18af3899c7b072c5",
    "signature": "0x7038b8504c97c72ba43f820cbefc67fa47fa4fbd56940a3d0fb65f194c5deaea174faa2429811ce513c2bea620178723d5cfdebc75206e54f1b5d6369816e4c61b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}