{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120245",
    "entityType": "User",
    "nonce": "0x6fe03952e7e5831015f3cec95fc9e37a72eee7490e7879ee4da6b0d703cf87b1",
    "signature": "0x1f29373521d3ece7232c000a7270c50f6f8c57650eb80acdc9826ab37a8ec39513d04fc18f1f4748ef0ac644dd607cce38ad25a5f6b83b7df580889967ceaa561b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}