{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341366",
    "entityType": "User",
    "nonce": "0xe4d4f2d26733eb648a42a8762bf98a1a6c43b30f4abba9fa8a2900ce23a5471a",
    "signature": "0x9dda22c6380758755f8d68dc1e215d9fadc56a9f39501733497be70cea9880476062c5ee7c9eb2f995b449ce9eb8a70f49ccb8df15565529d0170af3fecce2211b",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}