{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404561392",
    "entityType": "User",
    "nonce": "0x363b3aee714d4e190e3d3d7007e1f8c2d2777aec2be2d48f672c235e41cbaa2a",
    "signature": "0xb31189861502f67148044145a00834436df65c881f8302c3fe237bd41248bf6f4907dce7fdd3532e33327053e981ca204b16546abd9179ef591215d9734fc10f1c",
    "signer": "0x1366a1037C8F2E691bA2D0dF3a1176FbA4736510",
    "userId": "39692"
  }
}