{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2eb98c7ebdd48472a19233745575b39098622fe5993bcc4254cfc314bbc10b8f",
    "signature": "0xe2c28dc0306522e689333f6a9dc4c319968e9382d54eaab93cae3294ab78981826f66642f04c65a665aabe1608192923f00fd827a98723346f7d43f18b2d435c1b",
    "signer": "0xc786b0E6aE89011A0e52f778f901D20eB6090FfD",
    "userId": "635883916"
  }
}