{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183200",
    "entityType": "User",
    "nonce": "0x6f2997edca7264a650893bb0a0bb11c7356bec9256089bb1a03ac8d2bea6e35e",
    "signature": "0x082d840222653a946b7fae5379f028dfb879103260b7a5b70dd0e5cca0296e724029cab189168e285f0974361db4dfd96712fc16685d711186e97da7f3a118051c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}