{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "536929244",
    "entityType": "User",
    "nonce": "0xca082ca7161a8bada1a278cc8265e504bd55a2ee686efb4e52bdda3411cae11f",
    "signature": "0x831fea506d296111a43d0aab88cc80ed006273abd5656752bed03a43cfb3c8273fe57888512ea162152db3eab65b31b5232d32b40c34c8b5a481e45b089376d91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}