{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x010d657b1a3235c68a6a4ca4e6978544ccda5d63710e668cdf80ccc9eefb62ab",
    "signature": "0xeacc0f7087ea2d15fb575ef3c66ae7c5dca17ca2461261209f495296e13fcf3e427868006af7a3ff498557428c4c7b432f0da2b092d7f67f1a96b1c25056538a1c",
    "signer": "0xE6C8C4A74Ed8e0CD9922a08e47CAcfb167E2920d",
    "userId": "248030700"
  }
}