{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951616224",
    "entityType": "User",
    "nonce": "0x8499e8615dbdff41a3771a7a0dee380f781ea2bbb6f259ab8fb3ca181c8a4262",
    "signature": "0x08db38ae3743e3b5207d980d6a7c7bb65f41842e98bcf5c1d2a25403a6b58ab37d2b88417fc8cb6fbd22ad464dc65a4c276a92991d93ebc6df579808755311a91b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}