{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "694010407",
    "entityType": "User",
    "nonce": "0xb14b3d9b27c8e7f421ab0cec2436a83f94ee496be873fa460cae0d1077869462",
    "signature": "0x5201d1571e7cc762b38cd1eb1139047c5871be59520da977a9058929e675306b1e0cb28e789dfca6e3d6a92b02077a4e0aff7f32edba9869fae426af97b841311b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}