{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1365072",
    "entityType": "User",
    "nonce": "0x1169b9e76cbb2744c10f368ea9ef91c233e4aa6014418611e646287b836a169d",
    "signature": "0xf7887c8983ab7c39499bca0cab4b6a7f9dd794306b38770980ecafd96978a3b93e9889d25def5c663d847c418f3b97219ff77060124882131cbd1c97c480584f1c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}