{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa996e5bb98d2ef82b55d8633fc9806edf28091fdaadba7f5846ff4cad32c45dc",
    "signature": "0x94dd350b9f8a243cdddb081d477ad17bedb008db3f5c40fc64f4b78c9bed7b655c428b3fef21c175962277506bb18d13779f3336a3a5064726c8211c97a824e31b",
    "signer": "0x9170e0d46D862D288Bd9f40F5E1Def2B6B125a3b",
    "userId": "248452238"
  }
}