{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0053f37ca4bb4fe2170b19ee69c2517614344f94e033e2402eb3fba070939702",
    "signature": "0x1c67ca7e7fdd97eceb246748907be2e4a64385c5506915299db705b18419b86615572d7c51fcdf7f83f595e08c4dddfd6c8e5ed3a6ca0c71d8c31b089a301c611c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}