{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x5885825e997e713da4366a97f6a44da0327bafed59704901c5e95e2bcf9808a3",
    "signature": "0x4a091e0912e37b7beb1a0d31b839b21b340e159fbcb76baec57d3ceb6000797a3105ba0a0a3fc16167d14125503304dcded10cee1dd18d7ea5f4c4355c09b7921c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}