{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64829",
    "entityType": "User",
    "nonce": "0x938a3f874059d45b5930e63626a80963dcc65d596e3c5622f003ca72845a05f9",
    "signature": "0x8e2441a068c67a40a81a8ff30d259eea0a7962cff5743898a2b88e90a1f7e81641629207b30aada7d0d2fb2a2dfe98bf415d3370759be67dbea92f94a223a9611c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}