{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0xc47144e47e4732bb313043ef65775f0e599cc48bd03881b6b56ac58c3025775f",
    "signature": "0xbafab54f678144e3753ce001430f8cae548d206e1e0766544f6ba1b6fb134de504198182bafb6547ee266590063985e95b220934f71af0f23c30c5385061ed191c",
    "signer": "0xF300c20BDBB459E009c4E55c08CFd33E12f8B0Cb",
    "userId": "782218508"
  }
}