{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318759",
    "entityType": "User",
    "nonce": "0x826df7f56fce9a9f12b79924af61ad0cf7908819e1e7c726d5952ab1c29e52a3",
    "signature": "0x8fc5335bf3c43b958a4a284dc50fdb5e729b58553a0fa536a1490b17101e6ccf70601ddd834bd3f466b2fb11e9a97c13e8b298a6f5a0c8f111d8c59ec29e48e91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}