{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98957",
    "entityType": "User",
    "nonce": "0x1b7e983eaf5ef6608873d523fa91454822fbf5bf453dc89ef1de4ab86555a2fd",
    "signature": "0x5d0b3c6461d9d16c963faf17723902cc5bba383b26d203ce901b53a944d524c12ee067afde0c30bdd90688f4ab13a83b895c42864df69daff24b915ddb59b8911c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}