{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279",
    "entityType": "User",
    "nonce": "0xfc4edc336f44642185d33ba2452635b0f8be164fa4d11f79fcb80697ce88d24c",
    "signature": "0x95287e15ac07098cefec5ad007c75610dbd88fd76ddac8950984d60d5bd73d2d44f8dd2350c54a234da68755073bd32397f683d0f7b3e36b6b4e9009d3727ed71b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}