{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220579",
    "entityType": "User",
    "nonce": "0xc0a635783ee3814e0d87881136267892987055bba1d3d248340034bff2fbe274",
    "signature": "0x7560a565fe5d3d889ba1e3e493d418885ff8c25a66410699f3a5d383c91194200e1c21b4ba22682d6dea009935df05d29fb9f2b1974123afab3fb11d88f4b7241c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}