{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136098",
    "entityType": "User",
    "nonce": "0x45ee5976bbe091788cabf7485adbc07bb3310d69628ed9cf2f8bba59cf25735e",
    "signature": "0xd5ad7c25856b0fb24cc5c01f4cdc9a3252c1dba33688b00455cfa0af6c8e7f3d168de12adb0b20e2e6a74e9c69d7014b6da8a07f8789f70c2e26f3f53f1f2dd61c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}