{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x8d373eb059d61c6d296cc7a860216c5ab60ab6d7f055dc2eaf5ee18c4ff964ef",
    "signature": "0xc6fc04c377e41c8a68cddc7f8a8812ae98d7ae0b9d82f781c2e0f4b516c46c8c0412b11df201a3780e447057fa69bdab26bdf6386c9a8e522b1a7ca85ac15b261c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}