{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "466648",
    "entityType": "User",
    "nonce": "0x8fbc5e82ceb142babbb5270d4ed38dc6f659c18c8c306573569f7526d1ba6676",
    "signature": "0xe30adf62a4da5be98a06359218b13f6e4aa24b135cde210377170122f376ccb172bf8ca56d3b5553214791ea8b6baebba03fc73c907359acf35ac4ad4ac9e9c11b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}