{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "483260",
    "entityType": "User",
    "nonce": "0x420e04ba59b2cdbefd90f61410af48583dcc3acc96f72c9caec35cfdcd9626a6",
    "signature": "0x83ab9404464649301205e46dfe964e0b46fb04533dd14deb860c48bd28c306163099be8a4504ec4be859422746d2a875bdd11b55eef8fe3d752b02837139f97a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}