{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2864",
    "entityType": "User",
    "nonce": "0xbe5f7cff9ae28c639675af9ba0335af6b0caa29867bfaf87170bf31f94c9346f",
    "signature": "0x8bd6c66cf6cedcf61ef8ad818412afa775a6aa394a9b0c2b06f3aa047ca4cc2741177c2818d040b04891b466474e24d677f6a8c2fcbc2ad3dbc23028a9650e921c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}