{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114844750",
    "entityType": "User",
    "nonce": "0xee0b352666c89a1722a5c868787f15009cf4d3ca5093a1a96c99e6a65baf81de",
    "signature": "0xe5805e9f372c5c836145fbb8dbc830744c13ff07c1e4995a55cdebe38baf866d72ac1f82d2f4aee6c36ebaeac6015dd682fbe57df6fe3d6c904003e58d6da6851c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}