{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0x68e45d8aaf023bab155e1487803867e1970c64c7de849c798fdee9a38bf24746",
    "signature": "0x6fe76b790065a134995c2aeb4c31506c784a4c8825b9657da9156440f6a6fd4e2143dbd49e09d792af723c9b7b62ebffe594ab25f3fd1616766f043399e9d1141b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}