{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0x1ac239ae17a0d5dc6c3854c982b41ed9ee5ba2e0b7ed72d772b6ec8cd2f57807",
    "signature": "0x5d92994ce7204b2d468de553ca71fb954eb2394dd6cb808889ea05352abd22287c71da8e6d83aeb2bd8ae6a86030041cad333939f0b29fa58cb199a9c5e1ed8c1c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}