{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1fb460997bb4e960a047fc6b93e3e379ce47856cecde192c8feb9c80a0dbebb9",
    "signature": "0x4994063ef3c72d84e6479cd08078cd29067d2f4e09b53e115b0c017d01a7660d0bdff5ad21814de17f769f127d2f612f6d0f6c508e122106d00c181ef095861d1b",
    "signer": "0x225A0F26D8c354e4B16725295bDabb4983d0F6F1",
    "userId": "994175139"
  }
}