{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0xbc9c4bb18463a189bd572ef7b2cc4a389b35f64761402b81d2b03079456bec3a",
    "signature": "0x9997c2daa82a82da9d20f018c3464c1a219f2669d29afea01cc35da252011965333ffd95de49ffa3526833629f21bda67a218e7fab3c1a07e2fd3bcecccdc09f1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}