{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166285",
    "entityType": "User",
    "nonce": "0x2abd4898afad41d134e3890a12867b1f81878bb8f3d14ebf3556bc2fefc2c7d6",
    "signature": "0x474c2339fbc65d2ca9d36e51d2bf9d30bd0c984b3fae408f41f4d4bc1589972520d5b5398fb82ead86a9a07161659ba83e980252b1a2746ca5972d707aa39c5b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}