{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34391",
    "entityType": "User",
    "nonce": "0xcb3ad7a2072df1d0357b1af17fc90e5da2a0648b0b3c6396aaa4690dc6a80b8f",
    "signature": "0x97506c22e37136dbe4e1f5601bf8d42b06427fbb2c8de1069056e9090fc0055f43349ef71f1c857906cdd5a76c5c3b5b613d5b32aa20dc5d4015e3863d0a78f01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}