{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x785d24abdc196db9509a26750a11e8b94387d3d44fbea3bc5f8afcd90637fdb0",
    "signature": "0x8196b53a888cfb9b6f0dc25fce5b4bc9b0275786a1c8b816cb418d917f277b83273b5c77680f9842967ccafda163ad49911400b86873ee99bec826b14b9a3c401c",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}