{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2576f484a0ada3d460c050bf466c2c4356d19808da3c8b0db202d6f6f05704e3",
    "signature": "0xe3380fdd9da973f96233d0e3a2920a113c1b6e52cebbcc73604314a514190de77df61e3684ace718f56cc38d2fa741af3b0d7a2d53a7eff0a0f698c5691ec8c01c",
    "signer": "0xfD887Cca1aa33010930F493849cB4eb036a11f49",
    "userId": "516824957"
  }
}