{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343",
    "entityType": "User",
    "nonce": "0xeb22b394cb6268c46af541196da2d629c8e09911a22afea581da27ebeb270b93",
    "signature": "0x4ef31628ec8d560b2cb2327d746a3939e5b1c67600fe578664ac1b760b655c5b22b1e291a60de9e6048f4e7baf51bd0e7a37c9cf952ed14ba4cc7c82646b1a7f1b",
    "signer": "0x7BecC80331FC470e72A8032bb2d07335c44AF1ad",
    "userId": "894431219"
  }
}