{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51826",
    "entityType": "User",
    "nonce": "0x7ff52c8e6f5d67398611c58069bef486c57c0cfef1949499533eb1d563b93788",
    "signature": "0x604b08000d3282c920de41aa5583a7df340d7e1f553eda9eae988df9030a18412ac0cb437a92ba7aa525a45f3b75f8450dfebde2aa1c6be8835ec734bd8159171b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}