{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163601",
    "entityType": "User",
    "nonce": "0x9673059bf627934a5bf1c608ee5087dd28851b653f9ac64b41e703c8842c7b6d",
    "signature": "0xe377889d28421f50a037d362dcc4c720ed765a1b0f4a08e9f350b1e2d3d5c6d976eafd2d9a91397de9d2abbd4899ccebddc9f4ba755991dcb97bab2bf6b0ee5b1b",
    "signer": "0xdBe895810b3F9F6Dc6073E427C17bF8C3e1DF6A5",
    "userId": "842575483"
  }
}