{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x37cb4e464b16450565fea8dd7e159a462dc624d07f91755524970d5d1729c95d",
    "signature": "0x7781a61de92c8c108c76dbaff1c3f6f71a02b1e16005bc0de39ee7cde030ae0a6a47f9b2c863f991dcb17cb3133ec9723a02ace778f000caf07b2e1879fb98ed1c",
    "signer": "0x7247A4d54A44Be582245a559df3bf24959a5B9e8",
    "userId": "460385375"
  }
}