{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55042",
    "entityType": "User",
    "nonce": "0x1c16213131e57bdd47e48947d2209825e1e4ef32a8617caef975dffb6c3773b6",
    "signature": "0x20e078a3e51dabce099cefd6fb5bae87c76e5ed5bc25293774453c7976bc325142f70aeeb106bb2050166115f5881db3577b3c037932e6748ec8e95df31059a11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}