{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "307267195",
    "entityType": "User",
    "nonce": "0xe6d790f1470655685decbc44cb34c4630e4c7f463cca77cc1f4656b5111ba5b1",
    "signature": "0x6cde9d0435c988bc74a4452e159038cb17a7ed55e53a9bed4d55edd2d5e058c6176f97026c994af5567dd3346d016441fda26149f445094da2f742fce585fa9a1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}