{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xead7badbf3daa10b2cc98fb2f1d6608251d20b4f8551977ed11708cf136e1cec",
    "signature": "0x10ee08cf8c36fe59f0108033e5eff70b3c07e69a1ba4b609686deb6d78909f3810755c42a528f03820853579fda65a7e84d8ba97398cf58f8f4b133729d69ba01b",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}