{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787297",
    "entityType": "User",
    "nonce": "0x98c27febad4517ff7eaeb65cdcdcf70772537cbe8c303283f8d9fc729b3cb8f4",
    "signature": "0x8b5d36c9e0e5d9dc8b18a8674469eebeb6aa0ad8721f515c45eae1ddc9fd7ca91f07c5887e1f174c5100e88f8eccb88520334a80185da203333600ec4a3fd00a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}