{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "47399103",
    "entityType": "User",
    "nonce": "0x88325e2e97e20d53e73bf4309a7f3bdb3d1e68bd7d6b64fcc2db8680985db8a3",
    "signature": "0x6be97dc18f1b0dbce010147ea68ee2c702d7311c78aaec0d0a1e61c9270b8f641a3d4c4ff4624fb63ac6b821b871722655ac4be69a956d9bd077ec53b9b42fea1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}