{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "531366111",
    "entityType": "User",
    "nonce": "0x567984a5e8b0beeda5e81c11d96741013ef66a05349cd31a1132650adf93731a",
    "signature": "0xff7ca8e6153e763f4a17f7c5016556a44d452a69ea6213f35f6cb83cf59b7ba777a330947655680413a110c23b279007ecf29868eba16d026420f76d64e77c9f1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}