{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x03f25ed8959eeb6e0ea53bb63110ed3776e4577632b7ec1637e3ecfb32d48314",
    "signature": "0xcb505d3f7fddb973d17e2044fddef488c82880c7dc1c3105f9a7e9bb346e45fe7cda932289ab066334fc8152d4d273fd91b186d0c2a43d8378ca219f8c2daba91c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}