{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9780",
    "entityType": "User",
    "nonce": "0x175852eff842a8708b41cb6866bfa8360826ced79f6a8dc125345b7ee7d5f1c3",
    "signature": "0x0b40a5f3c3ff97a03d3caeeea091fc8ce9b54567a754483a5c3564343b4887993e2e665fc2018f902319f522b621f16867ad8f323384db5eac274528def28d2e1b",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}