{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "732918",
    "entityType": "User",
    "nonce": "0xfa67fd2553ac95fdffc3b2d5cb81d350b1afbfd6463c7954fbad28c596e52b01",
    "signature": "0x13e5592b3e0c61f4fbb2928e9519bcb4c2740ae2e49e206b93a039dba356d35241d8af26021f5b84ea30e777984e28babc484a7da9af702fdd0f9f8028b245f01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}