{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154011",
    "entityType": "User",
    "nonce": "0x8ad14c94f18a3f922a354bc42d5aa4e017c43181c7583536ca78925b62bf86e5",
    "signature": "0xd69549b6ee2a87b9ab5a63552f98ee42af759a7ef051b9df9136e13cac4060d068e1a5cd625c781c0b984603ebfbe755f1cac5deba29ce68bfa474ebf06679f61c",
    "signer": "0x85f9d440b61768a3EcC7D5bD2307a38caf322BED",
    "userId": "242102384"
  }
}