{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142091",
    "entityType": "User",
    "nonce": "0x14de8e5bfad3c560b6d9e9c94060d0ed662bafe307226502d8f6ee25e1e01975",
    "signature": "0xf6e9d3645b6d8cfc0309ddd85a3e29611ca21376d2d3b4fe5b508385522af3b950678053244cb7b566acfaca93a0fb20a1f7a4ad47573f7e03d2348030b36e3f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}