{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955579",
    "entityType": "User",
    "nonce": "0xfe6adad9508f7413df12b59dec13fe70e24c3c66c573593c86f309a500b26dbc",
    "signature": "0x3f5cb4441d30555ce47ef240415595d0a8feb900708306c253f0b4005d970305495080a6f2b30a070156929f8157aa2ea94cfce8cddb113ace11150a5954ccc11b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}