{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127269",
    "entityType": "User",
    "nonce": "0x25123b7d3e6f6a8695d83abd8fc5a23be35623c7b1f070a432ad878f2f06f585",
    "signature": "0x8907689fb09efb450551062827176e3f8c65558f1bc8560b1fb4274c0517ce472a1f0dfb55f9c921a01d3b0f29bc40097c887f5e2a6dcb6c914e387c59f816701c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}