{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfc5ff10c4357ec9d0001befab21fe2d87d8c975aa0e3a67f4be63ecefed38316",
    "signature": "0x6693f6a3008f64c4d362835a09b7e760e82dc157227d8c94c11bea3c94ddd4393e300bdabb433c078136af0471e277df952022061ae334eee84c470bb7172c1d1b",
    "signer": "0x2998887475389835ebB15d652B6c54B9C507E3ae",
    "userId": "806730286"
  }
}