{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933",
    "entityType": "User",
    "nonce": "0xffacf152935195e3a3c33e56cac1f87e5b4c0b7247f6996714461e867902e8ed",
    "signature": "0xfc3bb3b33c2ab053298906de7f9e0e61a4c00a2ca32bddb989d62093eee6f3852015fb4db816d4cee9810fd73624f8ebf8de423bbbbca400f64b1076786e6c341c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}