{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374922",
    "entityType": "User",
    "nonce": "0xecb4054d7adc605378931c79ef276581438e83daec3f4e0fe4ab770b26e168d8",
    "signature": "0x7d93febaf56ebc69f76612ea632ab0b3003611f440afdd93ae5cbacc5ce918f32dee432167f9d30d4e9d0070b811a4c5b954f6789e34a9b6fac68eb76ecedcde1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}