{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0xeb65530853b17ed10f28d1fdced4ead56a8f533bba395ea32e0bfa70ba64e153",
    "signature": "0x1728460b121f8ae60da7df45d1cb396aa5c63940cf41542d3bcfb36505203a8b6d64a336a5cabb1dd81a7ed7ff49d1a31100ad4f6fca11ab828f38da513e28a81b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}