{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980441",
    "entityType": "User",
    "nonce": "0xd7a08942d262ed9394bc39a87afdf0d54afa8d141de5c1586d969a1f27ded3d6",
    "signature": "0x04760f7594bb42a1e37824d1f79570bbad52c96836e797f94c283c9d577757551a32448f2c30bf8f8b80f0e573cefa1fe08e574dac53776d669ecd48112164561b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}