{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8167",
    "entityType": "User",
    "nonce": "0xdf0c9444a0d40767f30f6cbc72303156b9c6983759a7ee26869462ffc741ad01",
    "signature": "0xa85b83d29be2273d7f4583907f087d3a180e3dca7c7cd40b5df235c58a6b3720488881040b5568528265cecada5fc77748a58fb1b38c5b5344b249f2fcbfbb731b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}