{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "617033434",
    "entityType": "User",
    "nonce": "0x2df70c8cc5414064eb1d6a9df8d5c723c2933ebe66db46a87d7edf50987286d9",
    "signature": "0xfacce7c27df490a8153cd983776cdcb743effad592c64485b70b7b3a07f3763743654cc8d58aef5dd1fad0059e022ced0542449ec514513c29b95f40dee165241b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}