{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x69064846f39f2c8f4cfb4d13584e7a49c44ce74c077c1c24c49fb6e29b1c1828",
    "signature": "0x47420bf5443abcf7a2711cd414c6d7edbbf45d6864977df7e4f4e8c89e2a302d58b21e90de44a3a5e871333ee0f5393c2ca7ae4d1f964cd8f5c143eb1e2eba7b1b",
    "signer": "0xCD23b5ae760853367a8773a7E36005e3E44cbcbC",
    "userId": "208462349"
  }
}