{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203861",
    "entityType": "User",
    "nonce": "0x3ea7442affc5951bafdfd87f6803429d3d47de973e97e8840f010e4d6d26706c",
    "signature": "0x9176dcc477ad4e34c60450fa408a358015e47d29e9954a061812da44ea7c9a1c2d2e3a03bd4fa5c9deec729e7730cfae7e3218ef8f7a417c58aeea4dab6a416d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}