{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66005",
    "entityType": "User",
    "nonce": "0x69cc16949d27c7288105ca65fe35cb2a938c5ccdb922d21df9cf199fbeab0ca6",
    "signature": "0xf71504b9a7252d259184cf20a0af6086a4cb5bb44f74245866a362b2da7613fe06097a6ec3ec93665dd6019ffdaf6bcd2b88620da064315492dfe0af3bbae5ab1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}