{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117501",
    "entityType": "User",
    "nonce": "0x1d1c732bc9910239e6e2fcb087764a103c74c213404686d1296e2f9cfe6c643a",
    "signature": "0x5b7fe16c069483a3d7edecc72dfebd948be4ae7521b3df9e00ce27842908e10600cc99367df9825013459a4f515c328b88bc8386eda95f88a9126d018e7ef9891c",
    "signer": "0xE3CdfAFd2999c1C06c139E932b0515a9F0B07382",
    "userId": "29797210"
  }
}