{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "667809204",
    "entityType": "User",
    "nonce": "0x6dbb1c1b54db5ee7a287fc3b2beef6ff637f1e47e0c961214e20d803960b5010",
    "signature": "0x9e627ea1cc7384a5a85c9f402884e6dd3c5f3782914344eb8d1c7587248cc7ea16fc3ecdefec5fbb90323ddc07e2cdd03d772e3b0f0412606dbddc7728b26a0e1c",
    "signer": "0x6a79014dac58f1D33D45347A909f9628C2132216",
    "userId": "718119401"
  }
}