{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe283c199a684bc98a1e35d314660e64f973f8635ed2b2f9dd2ecc412a6277df0",
    "signature": "0xcbab58ae5f1ffabe923651a9cb353d35f58b9c4af58d48bb2a77f53953c80b4017cf16371e5ec3a474c454d6312baa3f3858d903da0025c563d428f1272c56761b",
    "signer": "0x2f538314AE849257C1bf9217B639CAFf28d2b052",
    "userId": "32072744"
  }
}