{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "263352978",
    "entityType": "User",
    "nonce": "0x760cb610968d8af16d37663f54ceb136a120f823cd1c89f21bbc43653af489e2",
    "signature": "0xd1ffbac5f659e58469d885c8eb75e18165e8aab142f92aa1a1cf49de6fbdd7bd28a97a4d3351717b7adf5ef32f541fb7c643dff15881bbddaa28db9431216faa1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}