{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311763059",
    "entityType": "User",
    "nonce": "0xb9e2c5d3f1f5d1e3aede1d155600b46467eb9b1bf7e305d90c9d2bbdb594a1cc",
    "signature": "0xdb72ce9ef34ba8b66ebf49ce56753b51cda73792f5f662356fa9f1a51865b18732d3feea9d7cdd725d7e34bfd95b49b30ef00e58bd8fcfba63494e76c4321c751b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}