{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147105",
    "entityType": "User",
    "nonce": "0x4e14140fbac0791ba7b8d9250059d2a5b3f10cee918485a1c9d6780c51bbda13",
    "signature": "0x314c8c66b66b07bd076b8db48b7d2ae9ccf4f9dcbfe398ea303ae2e6734a7816585a0b9bd06ccd15b6869204306e2786709975e42f3498b5fe0a77b01efb8cac1b",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}