{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38841",
    "entityType": "User",
    "nonce": "0xe43aa30613ebe5ced1e53e849628549cb264c0d9971a3b20d27da4d71af90f68",
    "signature": "0x8112acea2cede756828e144fbd0e8e0e453c1818fcbccb34fdbc7e59310f76cd7329fefe8d080356f734e70280d11ba325a7bea3bda458c38d41692be08b826d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}