{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151038",
    "entityType": "User",
    "nonce": "0x7bb36155ad07953e7acc8c0248410e21451d89d9c7fc82f5daa3f56efe5a4999",
    "signature": "0xf68efa98d12a9f25ff4f8c8259bf5c6b87a1b237653ea70972ca571462db8fa808bdd9443e53244bb5bde4e24a5d0695c5767ac4b8399499f9fce5748d7850de1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}