{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xb4e58092aa0f27d855b33bf4b405317ac01dd912a827e386eecb080d03bb7f0e",
    "signature": "0x21dd845fd439273e35fa5a35e462236a8f05bf19feabc41c27fbe63147cdc7d177a88ddeaa531a994e44bb321b6dbd1d118bdd54cd3cc68bcf0007177bb88e621b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}