{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49059",
    "entityType": "User",
    "nonce": "0xb2f5ab3e4c5d0e4cd350371dcd7ba40cb084d0061eedfbb4a43610859495d890",
    "signature": "0x1d178d6313849207f0974e10797a5f8f111b1d9b273975d47953c2f99073ae0056d937f0df45102974a58d7474e25699c5b745b6680509c8af9ca534ceb5c0de1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}