{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29242",
    "entityType": "User",
    "nonce": "0x3414a236c07ecef0b192fd3de5803fd8b0e77f22d151399b6733432f414aa603",
    "signature": "0x0ff1a221dcc9ad828d0ab8eb9a316a76ce9cd77c6895595bddc7b50e620098c607935085845513bb85252215b504916db59c8b63f1fb276131b810045b0e4fd51c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}