{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x3bc8d3dfa1fbbcb51da83aa6121f37fa3ace907304c8089a1484dfe9f5cfec91",
    "signature": "0x95bc1b9a3aa54c0c8f736475ff45313dc4ad16f9c5982cc797bd3fbf2113318e438160c6d6dae9ca17b35464360ba0dfa19388fe7b0ab19d9b65e0bf218534221c",
    "signer": "0x6c8dCBC19B550a5AC69fd394bF83e9824E7a6605",
    "userId": "528352645"
  }
}