{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38835",
    "entityType": "User",
    "nonce": "0x937e481dc2b325580fbec663677df4cffe5c9580ac90f29c1686c1a47e027ecf",
    "signature": "0xc2c4baefa890ad0a657b5dff568fd9e4a04c1c3e243c340b4d543c47ea88c13f546b9c1fe9f54d21f0d134fcc1405dffe07f61ad17baae0a1d03932f9155974d1c",
    "signer": "0xCCe749020E45FB96926be24f94FFA5f35e955e66",
    "userId": "810833505"
  }
}