{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165188",
    "entityType": "User",
    "nonce": "0x9d66729fd0eb86d7e694a1e9296df2268106dd3c7922dfaea503c97bc11f74b2",
    "signature": "0x6e6c1a4cbf7424c305c3a6ebe603805d31fe929308e3c6086bcb70acaaaafee55af4ccf60df9f286b7a69db4056824382ece5c6a83720225d335ee0b5bf678691b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}