{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63157",
    "entityType": "User",
    "nonce": "0xea160cfcdce04564d9a858dee309c0f780e3448a759b418f61d1671747fc2eac",
    "signature": "0x05ab0d1a8f331d2858768aeab2dfac118a8a3e4cf21417852900ea6bdfba1b406122ac583dfbb11a3854d2bb6652c9a9e48610b5edb2cf7dcb79bbbb41815d9d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}