{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349608",
    "entityType": "User",
    "nonce": "0xb964bf1c7b7a48ea11fd040d116edd5fafab56b4bff0b3e1237134c7806b4c60",
    "signature": "0x17d7c0b8c917d9bb766c8a17bbd10dd4e79c23bb4e1e08ac08f64d56e3d9138e7fb900fd030d0090c8c61818d7a9fa697d11537c02e881caffb606cd720d6dff1c",
    "signer": "0x5aABF607817cf3cD4d866cc396132C82164f784F",
    "userId": "464183022"
  }
}