{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76687",
    "entityType": "User",
    "nonce": "0x51e0da3c6e0861b81bc50a0e1662a76cd71302b18fd1cf2e671fa32f9c41a67b",
    "signature": "0xc7d93fd3a0a949867ad2f7522d3ea3f04513f57f26f57e309852c71db55f92e6652c5e6631488631eab565b5cef37dd1a6d1ef1d6e92e9fe503f27f22c456a0f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}