{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418365",
    "entityType": "User",
    "nonce": "0xee31959274a74d8f93de76fe32e6cd0a33916b84402b18d20b582b064b41c193",
    "signature": "0x13c711cf2cb4bb53d9a9c2e2f3bfa6519ee71d09aa31e26f6467ec3012ae2f6802f038a5bffa948e4b511ba4ae56efb7eb1b960e7891d67c58149c36143f26e21c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}