{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313481598",
    "entityType": "User",
    "nonce": "0x884e2c2ef292c52217b23c15a6b50f4e82fbf6f38b841c42772d644a3d224252",
    "signature": "0x3af9c3b2cd073b4507d2e01f771c0f7ddf3899881f48421d2aedf14055b9bf6c232f7398bb768831b1135db781f469bb74821589419f2cb2e19b514edcb8c56c1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}