{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "762208",
    "entityType": "User",
    "nonce": "0xf05fbe9225ad5511dcaf30be342ac6f6437ed73ae98aa2d3c9c7c14e179e307c",
    "signature": "0x639900c978d5880a5e22b84b51e661b12409f1863b42ac2ec477de5067474afb2dc188dfc11b1e4d741c4dfeb690099811e03e452d417f8bc4eb29b665fad1ea1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}