{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996794",
    "entityType": "User",
    "nonce": "0xe6a47d5fd1c44ac7ce80a83a7e66d0e3fa9f04877304d3e6559d78205ad975cc",
    "signature": "0x716d2254f488d2cd520acc8536077cb5b241f589d9c26692e1a27cb793eeb1a878cdece7b83d2b730b2aa321301566e30c6ab76ff77227eda04acefd963423491c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}