{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1880649",
    "entityType": "User",
    "nonce": "0x5eb0ef83cd5e59e708815f317db85b7fe424d250df325b4a1929946104f96c9f",
    "signature": "0x10fc7b12692252ad571a574eea5d07b44c553a5e27922b554faf3dd08dc5fc48465ba0024037c944358a67b8ee8ac3a098f2019eef2865ae55935956abac5c8a1b",
    "signer": "0x063914dBEA89B25900ee50A22fd886126FCbCFdE",
    "userId": "773349352"
  }
}