{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161789770",
    "entityType": "User",
    "nonce": "0x885db46a96fff8d66867de88f5b144a6a6c5045cb49b28144cf234037e75fa29",
    "signature": "0x2e251d463b054d36e21dbe56ad60e8df4da964d27a06f49c8c20acac539dcebd3026fc96d76594ba4628dd418874f989cf2339bb02c9d5f479e1ef57d4c8916f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}