{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683603239",
    "entityType": "User",
    "nonce": "0x8a930a3aac6ce196ad9adeb4ab47c2f33bf5034ed818e6ffe29204e82be35a21",
    "signature": "0x88fd9de410665a86eb24b4b72e1246c9ea18e16951216c9e8082c125803dd9fc2aecae7b9a64a7869c466a9afbae67421e02ee621833c8ac893ea3e3a9fa8d7c1b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}