{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372473796",
    "entityType": "User",
    "nonce": "0x92023f3a23acfa684dbdcfe1cb1d0f8d9dfd04705f358b5712e9655dcd07b044",
    "signature": "0x78307036e080fd184ced3d9e4f40ff583329bcc2d4dc9ed5006581baaf73833644a7132d9dc7d786a6aa1ba8af833dfc3a5eca9e69e9a10603fadbe0be37dfc21b",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}