{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67230",
    "entityType": "User",
    "nonce": "0x348b92f69c214a440d7c7d183064a82714f90be418bbadbf55abf33ed1a210a4",
    "signature": "0x169bf822175cafffcb317ee0b6d73aa987445dc7a625a70359bda3c2b051c8f67f9175a50dd310a83086386b1be9d55eeb70b009c1387af18b0afed7fd81c85b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}