{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89183",
    "entityType": "User",
    "nonce": "0x8fd34f20e5649121d9074e076f83917dc9ecb3d7bd5a850b370b739e0b00e4d3",
    "signature": "0xe96f1ed59e12e33a69d5eebf42099b4a68ce568e9c518b70a7810b12416db3fe7221e26d2dea5016d859225c88dd68febf4de694771bfcdb04a18b7c5513900e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}