{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1011145",
    "entityType": "User",
    "nonce": "0xe8843d4b6df66d8ab18102e4edcd884778894f8aa2de5fa1defa67f48f866e63",
    "signature": "0x9af3bfa56767200fcee4a6ae532399908727fdf641d788274d2d0b6997a7cea3169a5dee8bdf97065c1a1313995ea337a5af54a00b0652a758eba43d3db21bb71b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}