{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xcf68f5fcd558ddb7bc5643439900035cc4222325aef77a6e1d6a03324789f102",
    "signature": "0x098bad587a7b6df704c6f995bd5c72ce110f11c23314569873d633fbe7c42640340a3008dfeef6a277cc9de9ac6768d29312d9b1013be6a550bd7612e95dd6d51c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}