{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x1d2ad5aa686f16b996d1718bae45e1625206d10d5b64ac4287a786eb28edbaa3",
    "signature": "0xd6ceab5168b43dc46268dfcce3e2339e5abd8b329ca033e23fc7fd3cf70fa32e7b07fec2a42ae5208619d1180762d8922188b96f08a8172419e0dc3315a17ed61c",
    "signer": "0xf92227D1CE8426bD2A05c637f3E5D3582E1CEEde",
    "userId": "386569100"
  }
}