{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329218",
    "entityType": "User",
    "nonce": "0x1ac98a18270f3a46775b0fa959d5bb608ce2b603478b11e876ebf7d99efb2726",
    "signature": "0x061053f40b6f0efc2cc0e97f9e600a3d8a83f19baa4662d9e87f4da5b6963cd336355282e3b7175104f9326b0d9d89d83a2f75ecedf97644f1c0a8ea99deeddc1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}