{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154589",
    "entityType": "User",
    "nonce": "0x32db68053f4a4a9c0abccc3e436123d084c515acec5effd0e41635f7dcf097df",
    "signature": "0x3f321df552d63f0280e97ab953e6099e5c1807e47da564057871d9d4ea67a47f308db184b58a41d07941e6fe3b9f88b783c620fc4b892814ede07c519e8f68811b",
    "signer": "0x6245d270201FE6e26477efA986E8C4035bF65C71",
    "userId": "36222594"
  }
}