{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xa65014b49b129c339a8685784d2d4a5fb51888c3952c81830865669e2c6f16e9",
    "signature": "0xf5369e0179a3a13ed9f722ae4ae37515844b0bf64dd095b3497691d272c93d46542b35084fa8cf8f8b0908aa867fbf4aa27c7d3b336b2b532591265acffab5cc1b",
    "signer": "0x6327cd959Ed1548587D21Ea0cffa20C9A82c720E",
    "userId": "152334447"
  }
}