{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf3271e913094a2fe459c9137b9b18cd405e5d40ac11751f145c3cc0c1e544dfb",
    "signature": "0x8b253716710e157343e3998033bf454204e9cf2327f4626888ce546e21e0c8195834646cff4f43f3b2e28c0bc40deaf4c4e645865aef0230fb7d04fa7ae464af1b",
    "signer": "0x95294e8499c78AEbbC09c6DD136fA881446EDF2B",
    "userId": "791695051"
  }
}