{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220424",
    "entityType": "User",
    "nonce": "0x9b5b5e721d8c26253900a015d962e803678030c0c65298bd76858c35ad93671a",
    "signature": "0xe39b27a69053a5863ae406d6af29cd9961a4536fa39fc59883664bf2c42a49b137d52e931709e5d0a6926ba6355b6c178eefb6c1b7535aaf94c04c412363177e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}