{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1471652",
    "entityType": "User",
    "nonce": "0xa618e56d9d43932ea67713b9d1c22784bed06301a61bb3ef796fe0c6d5599296",
    "signature": "0x151e0c6140221a6ffe2bf463e607ef6ad8393e05009f698e864ddbefa9e487743d36403273acff463c5470a72b6bd8b7ceeaf8b31a26f830b2101f714f07338f1c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}