{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270230",
    "entityType": "User",
    "nonce": "0xd8f40bbe079e8e67bee0723cdfb7c05cb570a26f8450eefd1779c8e0a9c9abe7",
    "signature": "0x7e589661efbe02278d539251b507ad0b186a633904153da08f4603b750b6bfbd5b8e2bf1693a347540ff09a518f6317d3eee3a86a669c4defa3d54ee18e96f461c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}