{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9886",
    "entityType": "User",
    "nonce": "0x17f33730efee5a215ec5cdaaeab5570d7bc1f41237a98c2b27c7f51a44ea9412",
    "signature": "0xae7323215051448fe3c1e8e715478fc5ae888ec19f6c81e720b4bae1738c14601bc85301c5bf9a55150d5180b8de09424cd1da9dbf724a528998f601d42b9a101c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}