{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0xabe6d63d883f5de6b9b8eb804767d4d63ca979aec06d621d422162e7079a30bd",
    "signature": "0x5e841e0c897f62a8295c87055228775813f15f8927978ec20ada29d742a8482f0052469b94cbf26d7804d430a4f04d71cff9645c848db7c38d2e461b6e11fdc91c",
    "signer": "0x6b89eeF406A3D10E08768E85967dB17cf7EaCd03",
    "userId": "125044"
  }
}