{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52665",
    "entityType": "User",
    "nonce": "0xcd6568b51165a13b9a2ee3939328b20b9751e7b248d7b3fef83c25073bedb7bb",
    "signature": "0x5aa99518f301a1fb9c6047a902329a8207df32539ec6a2da1a0767cf74fb6d445397f700cba8835ccb7ef6f58d3d0bf431e601f4b42388fc911011f6967b4e941b",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}