{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135831",
    "entityType": "User",
    "nonce": "0x186758593e8ef5ec3a69f7585a19ed88833ec1fbcb56acc7475747babf83d3fa",
    "signature": "0x5570a88d61e7c586e27d0830f5c1dc4e4e920e3b4ba9bea9825e18d1a8ba755230d5f2974d5b4176c44ee230785eb13546a364a53b72f7da467e34259f1f22471c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}