{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x33d9621828cb31a36396e1bf8b05ccca3fbece0f0c3b5cf493fef0497c2f7c10",
    "signature": "0xf00b14b08cee163da18531ceb5d5aabbf4c8b14e29d652f710acaa0729bda1325d436579f0bdbbe9f08ca58220d0942ce03616ef7039e686ddc5f9c1c5bd6bd71c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}