{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295399",
    "entityType": "User",
    "nonce": "0x9041e6db3f56900132677d6cd598c2f3555f3b721e216f9fcbf3e7f664dd37d6",
    "signature": "0x54fb35f2849559963c92faed99c77baf79f44323fd4bd74a1c06e18a21938a2558beb4f7a3383799858aaee2cee63080f58470d131e366cdc650d3328b30d28b1c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}