{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159534720",
    "entityType": "User",
    "nonce": "0xba7de9bf0e9b68242255449690cf7dd52a12445f20c70dd8155dec68f5cc0437",
    "signature": "0x55c130152f357c9c20479705d71bf77ed45470667413953740c9899c31f36a4734c07cbfdeb83994e6403c58c9b064841b7d3c49df1407d24711b2ddb25a75f21b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}