{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xe9daca2e24f5fa1728ec4b7ea104384edff51e6b0dfc0ae161e23cd496f491e6",
    "signature": "0xf054d4f826f23eb493fa45629744b436f1fcfd9852dd508c895e36887f7ee8c37bfa19ba2b99b389f2df3383fe3e03b027b76db08da0ee7a1cc9da0b7265e4de1b",
    "signer": "0xDC3F1116Ce7B919D352b15Bb4C20db6Bd453F50e",
    "userId": "583138572"
  }
}