{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xaae2a669f7ef9f41717bed064899825141eb2f2bbd5bb684d902fe06df99a56a",
    "signature": "0x7a1fabfc5bd8edec5076e230fdb695c360d0d7f72aa7468f86f3624254fff96b2c01e02ba23a067cbd0b0a463aa3b60247013c1d2b2c20b90b0ae7779001da181c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}