{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313737",
    "entityType": "User",
    "nonce": "0xa4f888235dd9c055da1956b1a81ed3758be5a9fedfc40eaf5ba3d3e39c6d57b9",
    "signature": "0x1c14b7e9f9125cb0ed56dd005fccc326627574a7cbc70d4be1b1bc90084c5a861bc1a69f9d160e9c22c631b07cd910e07da33c756fdcea8ba826feeb878247041b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}