{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x4d2666d5c633d156ccbd818b8e8a2c45481fde6f94510cbcda765620cd5bc327",
    "signature": "0x3512e1b40838a45a3013d99368069e0c81d708a441e6b163025380875e9fab8316ad6888755a571df83af715b164b8841b731684c5f03384438450a5ecf6c2791b",
    "signer": "0xc786b0E6aE89011A0e52f778f901D20eB6090FfD",
    "userId": "635883916"
  }
}