{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267136",
    "entityType": "User",
    "nonce": "0x28a4fffdd387ba84e70fd736fa96ad8a800d4202210a70858cbccf7059f1ef83",
    "signature": "0xf9d2d40def6b28c43686d028db86f78d2d7cecac6b6ed9e2c2a472044c9c5531390d4354be3333c5a29c4e657c14e0d96e8871dc061764f994b078f7ff7ecf881c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}