{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115650",
    "entityType": "User",
    "nonce": "0xf3075274ae65cedd41c0f8db0d1e7ed4080a9fe1ea155b93457d30a7e0436c6e",
    "signature": "0x2b2ed916700e68143b4480563a622cddbe78b442d1ccbf9ec922035c99ecb8911f5f8c8ed2b421e7149fea3961b6bb2c6a5343f2df0faad9fa133442c465c4a41c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}