{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57937",
    "entityType": "User",
    "nonce": "0xba7d9f488d8070bd6e885adbf3ac2fc281f91b155492682a855f3d82efab055a",
    "signature": "0x1b6778a0f10e39d423ebc2bb28d4dfa2312c8e48a5fbb727ac6e9027beef95fd3deecb3097121cbf5feda3a1c3743350e37b620c96391f2a434bb18c5b7c70cd1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}