{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "545360304",
    "entityType": "User",
    "nonce": "0x977c6bcf9d47b91a8037743bb843c34edea0d5d3b4e8a547a362c0463d97dd5d",
    "signature": "0x29b0f1e58ab004ba807759ef9b5c95cccfcb8325fdd4806066217727e1f089ba492aa93af6f20a9ca54fd4977f4a2d8487bec73945ba084148b473c7963ffabf1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}