{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1e6c9b6ea2da013eb7fa936ac30953ed8d3c06d3283157baba83d63a2d207be6",
    "signature": "0x86a0dcc02da5871d6dda51e689afc5b216464f224d245059e21daec3650b83bc75f45d961c0681ef8b40c274f7a8e8c8088e165b4151a886f1871fe4c7e2c8541c",
    "signer": "0x9FCb0f9a5558BB530BDa392b531803998c36B7fb",
    "userId": "108176965"
  }
}