{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3355",
    "entityType": "User",
    "nonce": "0xa8e38057232806dd984229b203e4a6a316aa5f5415a1cdee90f569bd27f00bf3",
    "signature": "0x88ed8e92aec9faafb5888c5c4a4704587aa96ae7a87de0e6f91b1865c2a9ce891f75d111537007d2677bb5cf1d62b1f4a553761b4d0312922a9130e233b1173c1b",
    "signer": "0x10805E046e879D8e4503D67e495Fd1d280142e5D",
    "userId": "355715"
  }
}