{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134925",
    "entityType": "User",
    "nonce": "0x1535d4d9a2dedf412833fab0cf5e1378a76ef48aee1df08cdd3998eb3d0e5191",
    "signature": "0x9a76c7857fae12c3dc83d371fc26f0c2fddc75b23c5a08f00617d28fe4dd8e4020e39502fdaa1ebdad91d746f198dfc781ae22feeb1bb81e66aa1cae607899451b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}