{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1696734",
    "entityType": "User",
    "nonce": "0x56d5ca26570c703b719037b34d9b2dd11e4f17cc73235c3f4b422423f60bd42d",
    "signature": "0x9c85885e505994ed2aef609b4125a002f7435e4047ccaed5ca9be3b77154a1ad3e917bb15200a05fa890ec9bf635153ca8da24329e61bf0bb058a7171af88e261c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}