{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xfe58f8c0a56e32b212c0bdb93f28ce898084de64437b249c7de5e44ba179c8ae",
    "signature": "0x29caf55974ee423ec48ef737e6feb3bc8c4cf26a83732721b8669575794d47a141e6291b271f179930ac6957d516908cc161c48d3a3e2b0221e40a38b297e0971b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}