{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42833",
    "entityType": "User",
    "nonce": "0xbebf0231fdb49b4a6bac1f358efed67184b15fe73c42b583fc16fdece998c742",
    "signature": "0x3d47e6146777ed8384e4c905472fa2e867888ca0ab8d05b1116c49eb2c30051932dc6f1a537cc970da85497b4fb72759728bdd0a6bac82e67699cafa04e0f2741b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}