{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14014",
    "entityType": "User",
    "nonce": "0x877f92d1b4964f7b904680c08884bac2e2f34e9cf3d25f9e06fa3fc31a371d75",
    "signature": "0xfcb4478d784cc788d1a9a825f9ec2324bdb3a28f72cf81f9c720f6f3b8afe6710073b42e023716b3e43d966a264a3a617aaeda7f98cadd2c52078a8fb8547bd81c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}