{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x361f3d38d65e6235bf4f43edfcd488202f6ced2c1d99b276642d1c16f6ae5f87",
    "signature": "0x33cf438dfce0e362ce1b5cab8eae6a0f50fa9c239343c094105df5d8002e5e2238bbd7485fdfb445617ab69e6cf592e3200a228774e1f236028dfa1150c736ce1c",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}