{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36450985",
    "entityType": "User",
    "nonce": "0x8353d17560f4905103a72aa0378fbd893b39ee48c4b8137e3d1e1ac137a7457a",
    "signature": "0xf2e84da60730fc04ad877a48b7b7be232c4f45228778373fad0a04d4b697ad7f23557d51728a8e215da38b2cada4ce9d77b5502f3184ef9c01af3700afcd65571c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}