{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341554118",
    "entityType": "User",
    "nonce": "0x3b014cac58beb11547aad7ff4797dc97fccc99565feb611ebbcdaf40f956da3c",
    "signature": "0xf2cc8967710b2b6c179a640a6c76503860b80333eac22f9ea434e2d2b86ac46319741c9cdfff73febe30086e4516c63c1400ec20e980abd8d61a670c8224cc8e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}