{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33807",
    "entityType": "User",
    "nonce": "0x376413cc511e61385697002211ed7a4dadcbc87a5bc9cd6c59a86d0341b59ccc",
    "signature": "0xc38773b6af30318ddaac15ad644f56724bd72376e6547ba551b5f0b2cf667b1858a169aca151fe143ba8c2c7b610d36e5af7239a3fc1f1bf8b1e55f5ee56eda51b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}