{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x13b81e12d6ae05533f81ea8c4d648022c0088b11c029147a4565b3665b040299",
    "signature": "0x704faa2333b6b83a9a72d71b41dad93817fccd28f5826a16cf059deadf2ce3ed0387ae2ff59b043a585605b58cb349d855c77afe8aea3304deab37f99cc69ae81b",
    "signer": "0x82F4c0e575f7C668dbf3A5385C28fB83bDe10c45",
    "userId": "198170196"
  }
}