{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0xbce0a58abee00631f42d8259713d6e4523264d919afedc3d03037dcd284f5a67",
    "signature": "0x725eda25258d70a19b8b4a2eecd1fef4c8c4a7394c7fe892435019a635d5d8e74a5739743a7ab78f23d3ade09bc16e1cd456dac5517ea23afc00e9f79e8ae8d61c",
    "signer": "0xc2c6810DEdf2603EDe939aA892eB628B2D743906",
    "userId": "958345764"
  }
}