{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x64665a387b52504449867565f265744c0e1df1557988414e136d929e64c89e59",
    "signature": "0xbe44dc41eb462cb6e77c9a3250825b61721f1f8ac1c4c7510337a4024c4e73c203742611f8cc44aac8b664df56e849f9a10b715637e95aabc24de68bfebf60ab1c",
    "signer": "0x55EB2C17C6ABEe82be1B3262Eda0168B8c523BAF",
    "userId": "33053609"
  }
}