{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240471",
    "entityType": "User",
    "nonce": "0x26e84163f49d0f1e9a8ce4a2278069433de335477b94280c98d15e94012c389b",
    "signature": "0xca8ab733158d0b4c51c0a1f7ffc2d3a63e8ef0eef9ab58897a21952b1807d79c46183ddb753549216677961a6b31515c01a4138acf3dbce25dd694d5190ec2631c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}