{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbddc8a044018b2d20ff3d1ebf1f087aafaffa219ff6deb633ebb647fbc707d91",
    "signature": "0xc7c699a6b1c061b09abb6de0286ef3e547c0800b4df4c72267e3672e7d1c886859e5ae9c6b23619b301ded41b0c1e79432276996767893a30bc58e0c7525e1a41b",
    "signer": "0x3697B946ce94fE7fBE1577a62354ab6e98935767",
    "userId": "586499085"
  }
}