{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332",
    "entityType": "User",
    "nonce": "0xb02327c715fa574dd18c7727d89ce939ecd7d8677917a1adcc98e301fa89ceae",
    "signature": "0xfd86eeed5be35b6f1da970c714847830ef0b78d68ec169c57b0716ea6389862450a1a2504eec2ba927276b9492bcd512e12815560ae8cefb655d178268a0956a1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}