{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17395",
    "entityType": "User",
    "nonce": "0xa533b83eb18e0e663c872ae111843f6f7313557b6acdeb74004e0b9d28a0ae61",
    "signature": "0xe65bbe1fd26d27175826fc6edb91b608a05defcf447707f85543efed0e7ee23d1a739196b23b267e2c30397d9e8ac9d7a481fd132bdcf57a883d1a67525b98a91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}