{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14717",
    "entityType": "User",
    "nonce": "0x4a5809f543870688930a4ab05dbc13600dcc61d59e0bbe102597756ac34f7545",
    "signature": "0x892a6b8b77d7490b5f7ee45b77d86c90ee446fa272faa81aa10edd98424e08a91b56d18a0808ee02600c4e4486e286910c3cf000737403547c28049556ed2ab81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}