{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0xb9ab881d5645c2cf761478bb81b8630c7e388418a67ea245f9ad666bf17755e6",
    "signature": "0xfd90ef151226b46264bae644ccaf8d252b93bf0371e01a1b1672bb74b593e4192f5e72279a766146f7c42c76291ddba382d4f01fc1a509e3c0ae23e4fe27e6f71b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}