{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbb817da117cf4872b5c962751fda1a926294fa53dbe99971f112061b35b18303",
    "signature": "0x8ef2f32ddfd12a4ec64851205585fb67e9b9d7c49811353611604c5780192ebf0fd1801b24387da70210f0e2e05f20f9a50b106a282e505e00954d6691833a0f1b",
    "signer": "0x9aC298099aB8B4b75959D80fcD4a931c056925dc",
    "userId": "469471331"
  }
}