{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53010",
    "entityType": "User",
    "nonce": "0x0ea004a31974abbb8a9b08e411d55c06c8222e30cdd0f157f6ae587b13946f54",
    "signature": "0x3fa97e1d10b6ed02aae5995726dab0a55ee249745d7aea7c55e1e582183f59466bf2ae71b127fd982776e87ae2b228f620c9b3acde3bbfe2f515a16b113f87c51c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}