{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x552e6438a2506b3afde7e49779716954e499d0c2ba902527b403f42958af4dee",
    "signature": "0x2b161a167c912b80be5c3dc33dd778f7788c3803986ef0d22ee8dcbb5eb5832167405950bb069bd192a7920ad713098cac929762d8061e925df104824d0220561c",
    "signer": "0x4c92424eC92f656975227833C14e560efa65A7Eb",
    "userId": "15028640"
  }
}