{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76019",
    "entityType": "User",
    "nonce": "0xfdfdff78cca4b53525df8167a12a6a0480bbe3ce189fca8383375eb3b3751d3a",
    "signature": "0x2f2fe8bfcf17debbbe559031dfec644b3b70f1bdca2197741994d447487c5fad587b800ebd82ee060440b66ab5a44d1e1ea1911fc8f580105977499421658a551b",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}