{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211206",
    "entityType": "User",
    "nonce": "0x22416dae4679b93b28b80b57f8b1050b70f9a319681176f191058f57dccc2c43",
    "signature": "0x7919da758562d69e348a7722464ccac3d937b49f2bb01c7ac2322db5f5f1a47456f6e917410280890593a675cb1b250e410a52a032d1f31ff9753c924d7f49a01b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}