{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137494",
    "entityType": "User",
    "nonce": "0x869f5b4c486bd924d9363510a85a01465b49b406dc154d52f60f383efbd834c6",
    "signature": "0xf0ab2176f68f84d7ef42938a2c82cdf232339c26b023c9767b5f1d6c4516610724b597b54f9e860801463b7c6d33a17002cc3799553895a3436b757f901968d91c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}