{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "834244668",
    "entityType": "User",
    "nonce": "0x68b3cf1017df628607ae37a97eaa497e5df0e2c86803ea2394c3461ce0645fd2",
    "signature": "0x96e36fd7ba7261c17af0d973c05ffa169b1f1321a7c51f9a08882e8751f048e0782c452bc758b35d3d6567c7caff54dc83f10e7f17efc7680fe76e6912dd62441c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}