{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "435506565",
    "entityType": "User",
    "nonce": "0x63c23ac1991d3d5337483c4221eec07dab06662c7d4d49cefbdcad7f98fa35ae",
    "signature": "0x204bdd0fc43fce804ac9d3d6753501967cd88552a22c39fc1ebb8f342d5f56773bd6384da8e272a7d3d1e1041afa5e1fe4bdbf5c4714b39feb0aaa246aad1f8a1c",
    "signer": "0x375bd665fA3506eD11cF4f08304c6A7522c259EB",
    "userId": "927045647"
  }
}