{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "817162199",
    "entityType": "User",
    "nonce": "0xe94712db0617ac9ed6655a4b2c228f75e5025981d2efad2cbf11d0c26634e0df",
    "signature": "0x12972df8962e734eeff2d88ba722589ce28802c4cf814d0dcd20de1b4f9be2f343d3e92e407efbfb3cb72b76e94b81543866c63be27b9796c6144bee978c227b1c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}