{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x98fe0ae752163b92fb5326c772b8b572f0f279f7bc0e365b2509efae92d6bc48",
    "signature": "0xe767de7435e17787246c674e81fcb01cd3c0f19aaf11e8ed727f61be9d53c9cb7d723b0d654240a32beee5411c578b823e2a55c5f3c57258c15a15b951972a781b",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}