{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "988934176",
    "entityType": "User",
    "nonce": "0x739feff26d958464da4fa5abbb66003b8d97eb14de44a00da9e98a94ae9cb022",
    "signature": "0x7031b046a14233f6f2864560d82c309e121ba2d211df960860e094c49e645d6a1f787d7a4a1c9217964370fce74c8c923e66d9d7dca3fff9c872cdd0bbf82d841b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}