{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "304316",
    "entityType": "User",
    "nonce": "0xc6f090e7746c2c8b41537786c7df9ccf2a64fc00062f96b1f8a3ee83ff9617be",
    "signature": "0xe8a571246beb8ec46522c230f3941acbc7a51cae650759937ddc2543e3f8e2805b236cfd0667129013c9deb9ac7d195045aa94e28d429249270c03a34b2b57a51b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}