{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1021044e377827c724149a55258ded2a8562231d1847a82bb0172b96546b5bc5",
    "signature": "0xc331d2988813202bea5c9a81504fcde5680f44d0425f28558e4f0b93787732427a9b37ac6ba576d727a97d82a773164005645c263cfc6ae412203e1f0ee8eb741c",
    "signer": "0x692027CEd5D52d8EdBC4fB5c59d2a56BB21416B8",
    "userId": "232329088"
  }
}