{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322145",
    "entityType": "User",
    "nonce": "0xd0c6ac446a845fade003dcbe309e4bb15b0820555d34a7fea0dac63161e575af",
    "signature": "0xea4d4f68ed4bfd45f1f287b5d3f29b1c2e9d1a07d1400d0cadc3cf35d4af4f9e10b4671891c7e48cdd2a3a4d0ec11fb07dac585cbfd6a7dc8d1e5d9c194c538b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}