{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1934437",
    "entityType": "User",
    "nonce": "0x038958c0779f390485408d00cf6df4865e44fb6a6e738ce9fea349e7f5390020",
    "signature": "0xe7e860eba0509f98fe0e7281befc459cbde429961a305a6b967b997247e39fde504571bb30bf75aeec27187aad2290d8d8437d5d912bd27d8d1613f7d95988bc1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}