{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "817339612",
    "entityType": "User",
    "nonce": "0x876bcee23390096751972f776b1287d59bd1c98340b46719882e06b26ccc1a15",
    "signature": "0x849c3834dcb862058fa7e00c98fa9c3eafce9ea10dd04f755284079753e94f3c401a43ddefe39887087c52f1e06ea17daf976fc7b71fc148a06e581dd425c6a91c",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}