{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "890889753",
    "entityType": "User",
    "nonce": "0xfb52c8c384e59fbb9f37b6db7cfdc5b1ee5ca150b87f24a3d5af44a6eb0e1347",
    "signature": "0xc378a9aade6469fbc053c1cc9c0e4019193ef9722fa46068034ce73bbd7f295d6f7f1c18d025200113628e0426da66257d5b9430e5a6615a4b6216cb5654d4a31b",
    "signer": "0xbe465AA25655a6E6b63480fC80284D554EcB33eA",
    "userId": "334539"
  }
}