{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5340",
    "entityType": "User",
    "nonce": "0xd59672026dbf70c26fa846fda26333899f3ca6d938e74b31e2d2be3114378f9c",
    "signature": "0x0da4ca157328ed805dd82431e130cad00464e3083f01e30c7df2b90b724863f53a9a547c081d7b810e5461d755510c770523356fd91fa062716ee8b55a5be2f51c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}