{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42174",
    "entityType": "User",
    "nonce": "0xf4a1643532d0bbf5ae632ed8e0bb7ba8352be5528961da1a1b1c8070b5f06edd",
    "signature": "0x1c11cd5e0160d29b4c02d6dc309f556e57457cf2a864b3e41c81d873ba5244ed4e14e9c054b4cc90a714507d50df3b6feb5d807f1f3f640c3eebeea74a340d3f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}