{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235338",
    "entityType": "User",
    "nonce": "0x7d313b5221082f8a1fed9f63f8c962f648079e57f2688573555992a3d8dcba29",
    "signature": "0x02a06d198a6115cd7aa221815e6e0e3fe0daceb3400277e648180fbcf10f2b3f1b167c0ccbd6cbf5a96098732de178da37ed6b54cd2ec790ea5f40303d41692f1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}