{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234595",
    "entityType": "User",
    "nonce": "0xa3fba2bd42b2222936a4fdf28972a4887e72bc586d0aac5c0532fbba05c3cae5",
    "signature": "0x5f82a12b3535c9c095fc280e70e6e9ecd8e0ea7af3863204a00064b6a50bd39f4230fa4e574e4ced76ef22e8cce5dd80876d1657c1163e1273fb96eaaece27781b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}