{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0x3ae213d67f9abddbe73c9acb943d2b339986569e49b816568344705999fc71ea",
    "signature": "0xd9cbae97e0d4c7b1feed6534ffcb901ea845cd29001d0eee4f6dbd69a8225688257763b51be5f616d531e5b8196414e4b0fed13c64b3a4a67898c2204864c52b1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}