{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xedc59f22ddb72ec24c359de167996585639c153d71394bb9b2f27fd6f950ef7f",
    "signature": "0x1a589c76b9f55a36e72ff589e70c5d24f254aae2998dc17036f5a89f83fa9550066048e79ca39342aeb611818887f032988c865690c209e4dc860c9fcec5ea531b",
    "signer": "0x9d5d1f1a59bB255396F7F1e7DeB307A4F66f15ec",
    "userId": "429311703"
  }
}