{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x764eb18ae65bed2b5a6953807844b1fa420675ab24d709471ebd20d9e68e8ef8",
    "signature": "0x50b41c0fd56b9da721cb0c16ad238bbd28f275963b0a8ffcbfc77a61f232891261e511c7955ccc355d6ca5d30a87f79e2ec91a1468ba2d66f88b33c14f7e751d1c",
    "signer": "0xd80624096Af144B7Eba218879A84D12cFf264988",
    "userId": "746744110"
  }
}