{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465826072",
    "entityType": "User",
    "nonce": "0x56206e059866a1c75fd7c3efabb600bea478cc6622743c4b8def5add95c1a819",
    "signature": "0xa5b34e0cb7aecdf54f765cfdd9ef3ba2566a78744d3c0862a2ad5124dfae85572aee5c72aa3c387ac9b609e64dcef2981cdc269a59678f199f8e5ee937ace5021c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}