{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x8d6ba9aab985428fe5c9643bed90ed0d527e724573e613928f40598576481f79",
    "signature": "0xf4fa651601caca6a3943c54d45e399f2393608d59396c5235dc7da6579fd51c73e3270855054c713f7e62619d68af39c92945d03b23af6b628a3faa677d3bdef1c",
    "signer": "0x1F8d00A05AB04Ea8AFEb3B1C72de612c9fF456bD",
    "userId": "780838336"
  }
}