{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38422",
    "entityType": "User",
    "nonce": "0xb1bbcfb2c2a5593a55621983dc29eac24cf447788cb91421ead636bdfd08a54b",
    "signature": "0xc611cfd9e9b19182a87d46d97261fb67b7e493381ade1e1818ecd223de51db3349a603191597383edbc51cb55bef12331d685a020c0c23418d498fdd19ebf8e61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}