{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd67acada3acb0135cb732e45105c6595a478727030ef16a4fce26b61e4647344",
    "signature": "0x01e83a0206f9102aa6670a4cbcded6f67575d3e0daf4d0852c694e3f2e1dc9c633563a2404e1604217775773dc6dfa9f1876c223bb6bfe92aa523a5a04bd3dd01c",
    "signer": "0xCa114f5d06a67aF97a441395D4c7D0D9B354Fcb4",
    "userId": "650881271"
  }
}