{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342118",
    "entityType": "User",
    "nonce": "0xd3f04ac2cc0352507700024395287d6008d7ed8071f19bccf18d6b06b7a1f812",
    "signature": "0x3255f9703cc225f2b17960cb3e2f913aee8d9b7f4ddec50fc2ba58a9b8f01c696fcb42f9e74c0a30cc68d58182263ca9368e7555d3623b880ffff4a2ded913201b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}