{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "945818227",
    "entityType": "User",
    "nonce": "0x2a67d6ab9a6d60f982f8011fc9e815563f0b33ab4a438d557120e1e842c9566e",
    "signature": "0x14ef19d1a6c13fefac8249636cfe60821df5257cc496755c7c69858c00adc99f3e23cda945a312e5b6b301112b5edb814d575b95cc2d1a8dc164071b284a56ef1c",
    "signer": "0xac9398fE3324BB093c993C791Db4a36624f5a248",
    "userId": "223946715"
  }
}