{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167051786",
    "entityType": "User",
    "nonce": "0xd345ee3a904604de2f65210c2b5e9f431ab55454543388df548221bbf5c5650a",
    "signature": "0x4400ad5d7474b5769a3e2bd00b62499ce10792c90ab7ae2d320f1c448b69cb2a687ae6f7320e2fc3e406c7ecdac3989ea5478123b4cd52dc4a55cf5c76321cbe1b",
    "signer": "0x64B5eBB7a804523F8541aA18B4B12962581D693a",
    "userId": "247294904"
  }
}