{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7af39e217c943678d0801b66ee521f1b50ce7d4f17d9e038a216f33d3f21c35e",
    "signature": "0x2f123b14769cb74f703ad4746aaa0f5070ca21ac46f6499ede50b958342a6ce042609b333f3dd9a30f72ae8e9e87531cab580b80ed37ae9616962c9718bd2ac91b",
    "signer": "0x62a97E8c3Be5397ff78ce222Ba066e256cde404B",
    "userId": "482352113"
  }
}