{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xacd64bd9d9973cb180b7e46760dd67c83f5a5f34af244c9d040b394266ab5a8a",
    "signature": "0x3da4df9682b6ea6c8ad2416c7e3c1d758d557c0bfab2ffb30d0c8d66a57026551a880cd660485bdf036e85415e5fb97dc0207a04603679aa53a81ecfe24487b21b",
    "signer": "0xD06A00B950F1f08B348e3cEf0B75Da0010adF313",
    "userId": "238712"
  }
}