{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129000",
    "entityType": "User",
    "nonce": "0x79895ddbba8e6be69f665b5fc7d277169d18c01a707420f757df5f892c60082f",
    "signature": "0x848ae0d50d303ec0b39a2473484a5b95eefd6ece9a4889e701d322f551d52341355d1ed1ebc05a6fb1fb772a93a902e579322f13d04c9dba496053348b4774961b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}