{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134683",
    "entityType": "User",
    "nonce": "0x58e729c5336f0609324bafc05266bca7a7ec56c40ba5ca69218a876b9edec40b",
    "signature": "0x00b1c9120304cefdc09d1117b127520e73c38440ed239981d820c219279eebad04052c08b4ad2a840df31754e4c6c70f9862455f02c640c5a62f2a7d5dcffc4a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}