{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127964526",
    "entityType": "User",
    "nonce": "0xaac34301666c9b25e28da6fdd7eee84439ef9bb17609de04f18c8099def3baf2",
    "signature": "0xe5930c65cba15e3eaceeb744dae1d3e7064366b6a9bcce1cbf2c842cafee65f57afa9a3b4e3aaa0cce3261518d57d3da7d6a2c2f396241c26215858c80b697901c",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "105826"
  }
}