{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x97da2e95cf0970b899f7c84a1a16a0532f5d91825ffe792f0bdcefcd26a8fd37",
    "signature": "0x9c9c9476df013e5260d10bfd000ced175e6d8c86c40049e4e0e436150f82991d5b4ea33f19fe775beb037d23b36bc0b710396207fcf240501661b9868c644a461c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}