{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0x7d703345e40d7796540e000d4e926679d966299c1610abd1438cb3ed81a0449b",
    "signature": "0x07fabb8ddaef84efb5c708664aa79da81e0f62970e06cf39ae6619149db1aeae318dae0be0d504e090f4317abdf2dfed36ddbd9f29db0fb5c0a37a595a5acec21c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}