{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0xd878226c4da12ac5dd71b07c6b3be28922e117bd6749cf79aac958975097e765",
    "signature": "0x404a7b92c20d92c468eb377276b711f09a0a792a5886c3c81046881237f5e6681516b22b61f36f507ec1a94fbb836d3d089d7517ba0071cfad9c41b01726ac851b",
    "signer": "0xab799c92738B0Dee125Cf3ad4c3E0eB246bd2B81",
    "userId": "380840801"
  }
}